APA (7th ed.) Zitazioa

Health Systems Review. Federation of American Health Systems Review, Inc.

Chicago Style (17th ed.) Zitazioa

Health Systems Review. Federation of American Health Systems Review, Inc.

MLA (9th ed.) Zitazioa

Health Systems Review. Federation of American Health Systems Review, Inc.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.