Harvey R. A., Champe P. C. & Fisher B. D. (2007). Microbiology. : Lippincott Williams & Wilkins.
Harvey Richard A, Champe Pamela C and Fisher Bruce D. 2007. Microbiology. : Lippincott Williams & Wilkins.
Harvey R. A., Champe P. C. and Fisher B. D. (2007). Microbiology. : Lippincott Williams & Wilkins.
Harvey Richard A, Champe Pamela C and Fisher Bruce D. Microbiology. : Lippincott Williams & Wilkins. 2007.