APA (7th ed.) Zitazioa
Requerth, W. (1955). Diagnostico del dolor abdominal agudo (1a.ed.). Artécnica (E. A).
Chicago Style (17th ed.) Zitazioa
Requerth, Williams. Diagnostico Del Dolor Abdominal Agudo. 1a.ed. Buenos Aires: Artécnica (E. A), 1955.
MLA (9th ed.) Zitazioa
Requerth, Williams. Diagnostico Del Dolor Abdominal Agudo. 1a.ed. Artécnica (E. A), 1955.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.