Manley, M. (1997). Usmle step 1 starter kit. s.n.
Cita Chicago (17th ed.)Manley, Michael. Usmle Step 1 Starter Kit. New York: s.n, 1997.
Cita MLA (9th ed.)Manley, Michael. Usmle Step 1 Starter Kit. s.n, 1997.
Atenció: Aquestes cites poden no estar 100% correctes.