Gaya APA

G.Black, J. (2004). Microbiology : Principles And Explorations 6 th Edition (6 th). America: John Wiley & Sons.

Gaya MLA

G.Black, Jacquelyn. "Microbiology : Principles And Explorations 6 th Edition". 6 th America: John Wiley & Sons, 2004. Text.