@book{980,
	author = { Levinson, Warren},
	title = {Medical Microbiology & Immunology:},
	publisher = {Mc Graw-Hill Companies,},
	year = {2002.},
	address = {US:},
	edition = {7th ed.},
	url = {http://www.ebay.com.au/itm/Medical-Microbiology-and-Immunology-International-Stu-Jawetz-E-0071212361-/391387261318}
}