O'Neil, E. (2006). A practical guide to global health service. American Medical Association.
Chicago-referens (17:e uppl.)O'Neil, Edward. A Practical Guide to Global Health Service. Chicago: American Medical Association, 2006.
MLA-referens (8:e uppl.)O'Neil, Edward. A Practical Guide to Global Health Service. American Medical Association, 2006.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.