Golden ratio - Math bibliographies - in Harvard style

In-text: (The Golden Ratio vs. The Rule of Thirds, 2015)

Your Bibliography: 2015. The Golden Ratio vs. The Rule of Thirds. [video] Available at: <http://www.youtube.com/watch?v=9CiS3SU4lk0> [Accessed 6 March 2015].

In-text: (Fibonacci Numbers in Nature, 2015)

Your Bibliography: Britton.disted.camosun.bc.ca. 2015. Fibonacci Numbers in Nature. [online] Available at: <http://britton.disted.camosun.bc.ca/fibslide/jbfibslide.htm> [Accessed 6 March 2015].

In-text: (Knott, 2015)

Your Bibliography: Knott, R., 2015. The life and numbers of Fibonacci | plus.maths.org. [online] Plus.maths.org. Available at: <http://plus.maths.org/content/life-and-numbers-fibonacci> [Accessed 6 March 2015].

In-text: (Definition of Fibonacci Sequence, 2015)

Your Bibliography: Mathsisfun.com. 2015. Definition of Fibonacci Sequence. [online] Available at: <https://www.mathsisfun.com/definitions/fibonacci-sequence.html> [Accessed 7 March 2015].

In-text: (Golden Ratio, Phi, 1.618 and Fibonacci sequence articles, 2014)

Your Bibliography: Phi 1.618: The Golden Number. 2014. Golden Ratio, Phi, 1.618 and Fibonacci sequence articles. [online] Available at: <http://www.goldennumber.net/> [Accessed 8 March 2015].