Não informado. (1921). Journal of the Philippine Islands Medical Association. Philippine Islands Medical Association.
Chicago-referens (17:e uppl.)Não informado. Journal of the Philippine Islands Medical Association. Manila: Philippine Islands Medical Association, 1921.
MLA-referens (8:e uppl.)Não informado. Journal of the Philippine Islands Medical Association. Philippine Islands Medical Association, 1921.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.