epicycloid and hypocycloid - Math bibliographies - in Harvard style

In-text: (Fichtengol'c, 1965)

Your Bibliography: Fichtengol'c, G., 1965. The fundamentals of mathematical analysis. Oxford: Pergamon Pr.

In-text: (kasu and profile, 2010)

Your Bibliography: kasu, r. and profile, V., 2010. Engineering drawing: CYCLOIDS AND THEIR CONSTRUCTION. [online] Edpstuff.blogspot.com. Available at: <http://edpstuff.blogspot.com/2010/07/cycloids-and-their-construction.html> [Accessed 24 January 2015].

The cycloid is the locus of a point on the rim of a circle of radius a rolling along a straight line

In-text: (Cycloid -- from Wolfram MathWorld, 2015)

Your Bibliography: Mathworld.wolfram.com. 2015. Cycloid -- from Wolfram MathWorld. [online] Available at: <http://mathworld.wolfram.com/Cycloid.html> [Accessed 19 January 2015].

In-text: (Polar coordinate system, Polar and Cartesian coordinates relations,Equation of a line in polar form, Lines parallel to the axes, Horizontal andvertical lines, Lines running through the origin or pole,  Radial lines,Polar equation of a line, 2015)

Your Bibliography: Nabla.hr. 2015. Polar coordinate system, Polar and Cartesian coordinates relations,Equation of a line in polar form, Lines parallel to the axes, Horizontal andvertical lines, Lines running through the origin or pole,  Radial lines,Polar equation of a line. [online] Available at: <http://www.nabla.hr/FU-RectPolarCoSyst3.htm> [Accessed 24 January 2015].

In-text: (2015)

Your Bibliography: Upload.wikimedia.org. 2015. [online] Available at: <http://upload.wikimedia.org/wikipedia/commons/thumb/6/65/Epicycloid_geometry.svg/2000px-Epicycloid_geometry.svg.png> [Accessed 24 January 2015].

In-text: (����������� ��� 1.pdf, 2015)

Your Bibliography: Vk.com. 2015. ����������� ��� 1.pdf. [online] Available at: <http://vk.com/doc15721060_127664564?hash=b621c5f5945320b7c2&dl=28aabb49a7217e1962> [Accessed 24 January 2015].

In-text: (Hypocycloid dictionary definition | hypocycloid defined, 2015)

Your Bibliography: Yourdictionary.com. 2015. Hypocycloid dictionary definition | hypocycloid defined. [online] Available at: <http://www.yourdictionary.com/hypocycloid> [Accessed 24 January 2015].