Mamula, M. (1998). Usmle step 1 - Review Series: Microbiology Immunology. s.n.
Cita Chicago (17th ed.)Mamula, Mark. Usmle Step 1 - Review Series: Microbiology Immunology. Washignton: s.n, 1998.
Cita MLA (9th ed.)Mamula, Mark. Usmle Step 1 - Review Series: Microbiology Immunology. s.n, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.