APA (7th ed.) Zitazioa

Oncology, Gastroenterology & Hepatology Reports. Phcog.Net.

Chicago Style (17th ed.) Zitazioa

Oncology, Gastroenterology & Hepatology Reports. Phcog.Net.

MLA (9th ed.) Zitazioa

Oncology, Gastroenterology & Hepatology Reports. Phcog.Net.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.