APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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

Warning: These citations may not always be 100% accurate.