effect of exercise on cardiovascular and respiratory system - Life Sciences bibliographies - in Harvard style

In-text: (Kamen, 2001)

Your Bibliography: Kamen, G., 2001. Foundations of exercise science. Philadelphia: Lippincott Williams & Wilkins.

In-text: (Kochan, 2014)

Your Bibliography: Kochan, B., 2014. The Effect of Exercise on the Cardiorespiratory System | LIVESTRONG.COM. [online] LIVESTRONG.COM. Available at: <http://www.livestrong.com/article/354549-the-effect-of-exercise-on-the-cardiorespiratory-system/> [Accessed 2 March 2015].

In-text: (Parkes, 2005)

Your Bibliography: Parkes, M., 2005. Breath-holding and its breakpoint - Parkes - 2005 - Experimental Physiology - Wiley Online Library. [online] Onlinelibrary.wiley.com. Available at: <http://onlinelibrary.wiley.com/doi/10.1113/expphysiol.2005.031625/references> [Accessed 2 March 2015].

In-text: (Stephen, 2015)

Your Bibliography: Stephen, M., 2015. Why does lactic acid build up in muscles? And why does it cause soreness?. SCIENTIFIC AMERICAN, [online] Available at: <http://www.scientificamerican.com/article/why-does-lactic-acid-buil/> [Accessed 2 March 2015].