APA (7th ed.) Zitazioa

(2003). Epidemiologic methods: Studying the occurrence of illness / Thomas D. Koepsell, Noel S. Weiss.

Chicago Style (17th ed.) Zitazioa

Epidemiologic Methods: Studying the Occurrence of Illness / Thomas D. Koepsell, Noel S. Weiss. 2003.

MLA (9th ed.) Zitazioa

Epidemiologic Methods: Studying the Occurrence of Illness / Thomas D. Koepsell, Noel S. Weiss. 2003.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.