Cita APA (7a ed.)

Retizos, I. L. (1997). Philippines who's who [microform]. University of the Philippines Diliman Library.

Cita Chicago Style (17a ed.)

Retizos, Isidro L. Philippines Who's Who [microform]. Quezon City: University of the Philippines Diliman Library, 1997.

Cita MLA (9a ed.)

Retizos, Isidro L. Philippines Who's Who [microform]. University of the Philippines Diliman Library, 1997.