APA (7e ed.) Bronvermelding

Manapat, R. (2011). Mathematical ideas in early Philippine society: Posthumous essay. Philippine Studies: Historical and Ethnographic Viewpoints.

Chicago (17e ed.) Bronvermelding

Manapat, Ricardo. "Mathematical Ideas in Early Philippine Society: Posthumous Essay." Philippine Studies: Historical and Ethnographic Viewpoints 2011.

MLA (9e ed.) Bronvermelding

Manapat, Ricardo. "Mathematical Ideas in Early Philippine Society: Posthumous Essay." Philippine Studies: Historical and Ethnographic Viewpoints, 2011.