APA
Ryan K., . (2010). Sherris Medical Microbiology, Fifth Edition. : Mcgraw-hill.
Chicago
Ryan Kenneth, . 2010. Sherris Medical Microbiology, Fifth Edition. : Mcgraw-hill.
Harvard
Ryan K., . (2010). Sherris Medical Microbiology, Fifth Edition. : Mcgraw-hill.
MLA
Ryan Kenneth, . Sherris Medical Microbiology, Fifth Edition. : Mcgraw-hill. 2010.