Παραπομπή APA

S T Cowan. (1974). Cowan and steets manual for the identification of medical bacteria (2.). Cambridge university press.

Παραπομπή Chicago Style

S T Cowan. Cowan and Steets Manual for the Identification of Medical Bacteria. 2. Cambridge university press, 1974.

Παραπομπή MLA

S T Cowan. Cowan and Steets Manual for the Identification of Medical Bacteria. 2. Cambridge university press, 1974.