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