Gaya APA

Freeman, B, A., Burrows, W. (1985). Burrows Textbook of Microbiology (22th ed). Philadelphia: W.B. Saunders.

Gaya MLA

Freeman, Bob, A., Burrows, William. "Burrows Textbook of Microbiology". 22th ed Philadelphia: W.B. Saunders, 1985. print.