APA aipamena

Mamula, M. (1998). Usmle step 1 - Review Series: Microbiology Immunology. s.n.

Chicago Style aipamena

Mamula, Mark. Usmle Step 1 - Review Series: Microbiology Immunology. Washignton: s.n, 1998.

MLA aipamena

Mamula, Mark. Usmle Step 1 - Review Series: Microbiology Immunology. s.n, 1998.