Alip, E. M., & Borlaza, G. C. (1973). The Philippine presidents from Aguinaldo to Marcos: Their lives and messages (New revised edition.). Alip & Sons.
Chicago-referens (17:e uppl.)Alip, Eufronio Melo, och Gregorio C. Borlaza. The Philippine Presidents from Aguinaldo to Marcos: Their Lives and Messages. New revised edition. Manila: Alip & Sons, 1973.
MLA-referens (9:e uppl.)Alip, Eufronio Melo, och Gregorio C. Borlaza. The Philippine Presidents from Aguinaldo to Marcos: Their Lives and Messages. New revised edition. Alip & Sons, 1973.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.