circulatory and respiratory systems - Life Sciences bibliographies - in Harvard style

In-text: (Demillo Wagner, 2008)

Your Bibliography: Demillo Wagner, G., 2008. Lung Power. [online] Runner's World & Running Times. Available at: <http://www.runnersworld.com/running-tips/lung-power?page=single> [Accessed 23 February 2015].

In-text: (Cardiovascular System Anatomy, 2015)

Your Bibliography: Emedicine.medscape.com. 2015. Cardiovascular System Anatomy. [online] Available at: <http://emedicine.medscape.com/article/1948510-overview> [Accessed 19 February 2015].

In-text: (Body Systems: Circulatory System - The Human Heart: An Online Exploration from The Franklin Institute, made possible by Unisys, 2015)

Your Bibliography: Learn.fi.edu. 2015. Body Systems: Circulatory System - The Human Heart: An Online Exploration from The Franklin Institute, made possible by Unisys. [online] Available at: <http://learn.fi.edu/learn/heart/systems/circulation.html> [Accessed 19 February 2015].

In-text: (Body Systems: Respiratory System - The Human Heart: An Online Exploration from The Franklin Institute, made possible by Unisys, 2015)

Your Bibliography: Learn.fi.edu. 2015. Body Systems: Respiratory System - The Human Heart: An Online Exploration from The Franklin Institute, made possible by Unisys. [online] Available at: <http://learn.fi.edu/learn/heart/systems/respiration.html> [Accessed 19 February 2015].

In-text: (Williams Ph.D., 2015)

Your Bibliography: Williams Ph.D., M., 2015. Marathon & Beyond -- The web site for marathoners and ultrarunners.. [online] Marathonandbeyond.com. Available at: <http://www.marathonandbeyond.com/choices/williams.htm> [Accessed 23 February 2015].