APA (7e ed.) Bronvermelding

Castillo, F. A. (2012). Selected speeches of national scientist: Perla Dizon Santos Ocampo. The Information, Publication, and Public Affairs Office (IPPAO), University of the Philippines Manila.

Chicago (17e ed.) Bronvermelding

Castillo, Fatima A. Selected Speeches of National Scientist: Perla Dizon Santos Ocampo. Manila: The Information, Publication, and Public Affairs Office (IPPAO), University of the Philippines Manila, 2012.

MLA (9e ed.) Bronvermelding

Castillo, Fatima A. Selected Speeches of National Scientist: Perla Dizon Santos Ocampo. The Information, Publication, and Public Affairs Office (IPPAO), University of the Philippines Manila, 2012.