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	* Janet Hopson and Norman Wessells. Essentials of Biology. McGraw-Hill. 
	* Huxley, Aldous. Brave New World. 
	* Irwin, Assistant Professor Rebecca E. Lecture Notes. Spring 1996. 
	* Lavery, H.J. The Kangaroo Keepers. New York: University of Queensland Press, 1985. 
	* Ridley, Mark. Evolution. Boston: Blackwell Scientific Publications. 
	* Tamarin. Principles of Genetics, 4th Edition. Wm. C. Brown publishers. 
	* Tyndale-Biscoe, Hugh. Life of Marsupials. New York: American Elsivier Publishing
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