Não informado. (1947). Bulletin of the Georgetown University Medical Center. Georgetown University Medical Center.
Chicago-referens (17:e uppl.)Não informado. Bulletin of the Georgetown University Medical Center. Washington: Georgetown University Medical Center, 1947.
MLA-referens (8:e uppl.)Não informado. Bulletin of the Georgetown University Medical Center. Georgetown University Medical Center, 1947.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.