Sibal, E. (1970). Rizal: The ideal businessman and community leader. Alemar-Phoenix.
Chicago-referens (17:e uppl.)Sibal, Ernesto. Rizal: The Ideal Businessman and Community Leader. Quezon City: Alemar-Phoenix, 1970.
MLA-referens (9:e uppl.)Sibal, Ernesto. Rizal: The Ideal Businessman and Community Leader. Alemar-Phoenix, 1970.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.