Παραπομπή APA

William Burrows. (1968). Text book of microbiology (19th.). Philadelphic.

Παραπομπή Chicago Style

William Burrows. Text Book of Microbiology. 19th. Philadelphic, 1968.

Παραπομπή MLA

William Burrows. Text Book of Microbiology. 19th. Philadelphic, 1968.