APA (7th ed.) Zitazioa
Markos, A. R. (2009). Sexually transmitted diseases. Nova Biomedical Books.
Chicago Style (17th ed.) Zitazioa
Markos, A. R. Sexually Transmitted Diseases. New York: Nova Biomedical Books, 2009.
MLA (9th ed.) Zitazioa
Markos, A. R. Sexually Transmitted Diseases. Nova Biomedical Books, 2009.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.