Institute of Pacific Relations & Anais. (1931). A series of papers on Philippine progress, prepared for the Institute of Pacific Relations. [s.n.].
Chicago-referens (17:e uppl.)Institute of Pacific Relations och Anais. A Series of Papers on Philippine Progress, Prepared for the Institute of Pacific Relations. Manila: [s.n.], 1931.
MLA-referens (9:e uppl.)Institute of Pacific Relations och Anais. A Series of Papers on Philippine Progress, Prepared for the Institute of Pacific Relations. [s.n.], 1931.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.