Kaplan. (1998). Usmle step 1 - Review Series: Biochemistry Molecular Biology Cell Biology. s.n.
Chicago Style aipamenaKaplan. Usmle Step 1 - Review Series: Biochemistry Molecular Biology Cell Biology. Washington: s.n, 1998.
MLA aipamenaKaplan. Usmle Step 1 - Review Series: Biochemistry Molecular Biology Cell Biology. s.n, 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.