APA ציטוט

Freeman, B. A. (1979). Burrows Text book of microbiology. (Ed21.1979.). W B Saunders company..

Chicago Edition Citation

Freeman, Bob A. Burrows Text Book of Microbiology. Ed21.1979. Philadelphic: W B Saunders company., 1979.

ציטוט MLA

Freeman, Bob A. Burrows Text Book of Microbiology. Ed21.1979. W B Saunders company., 1979.