APA (7th ed.) Zitazioa
Viroj Wiwanitkit. (2009). Swine flu and pig borne diseases. Nova Biomedical Books.
Chicago Style (17th ed.) Zitazioa
Viroj Wiwanitkit. Swine Flu and Pig Borne Diseases. New York: Nova Biomedical Books, 2009.
MLA (9th ed.) Zitazioa
Viroj Wiwanitkit. Swine Flu and Pig Borne Diseases. Nova Biomedical Books, 2009.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.