APA (7th ed.) Citation

Ferriols, R. J. (1991). Pambungad sa metapisika. Office of Research & Publications, Ateneo de Manila University.

Chicago Style (17th ed.) Citation

Ferriols, Roque J. Pambungad Sa Metapisika. Quezon City: Office of Research & Publications, Ateneo de Manila University, 1991.

MLA (9th ed.) Citation

Ferriols, Roque J. Pambungad Sa Metapisika. Office of Research & Publications, Ateneo de Manila University, 1991.