APA (7th ed.) Zitazioa

Institute of Medicine (U.S.). Committee on the Future of Emergency Care in the United States Health System & ebrary, Inc. (2007). Emergency medical services at the crossroads. National Academies Press.

Chicago Style (17th ed.) Zitazioa

Institute of Medicine (U.S.). Committee on the Future of Emergency Care in the United States Health System eta Inc ebrary. Emergency Medical Services at the Crossroads. Washington, DC: National Academies Press, 2007.

MLA (9th ed.) Zitazioa

Institute of Medicine (U.S.). Committee on the Future of Emergency Care in the United States Health System eta Inc ebrary. Emergency Medical Services at the Crossroads. National Academies Press, 2007.