Johnson, Michael D. Human Biology: Concepts and Current Issues. 8th edition. Upper Saddle River: Pearson, 2016. http://www.vlebooks.com/vleweb/product/openreader?id=WofEngland&isbn=9781292166377.
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Starr, Cecie, and Beverly McMillan. Human Biology. Tenth edition, International edition. Australia: Brooks/Cole Cengage Learning, 2014. http://www.vlebooks.com/vleweb/product/openreader?id=WofEngland&isbn=9781473711266.
Torrance, James. Higher Human Biology: Applying Knowledge and Skills. Paisley: Hodder Gibson, 2013. http://www.vlebooks.com/vleweb/product/openreader?id=WofEngland&isbn=9781444192070.
