Manapat, R. (2011). Mathematical ideas in early Philippine society: Posthumous essay. Philippine Studies: Historical and Ethnographic Viewpoints.
Citazione stile Chigago Style (17a edizione)Manapat, Ricardo. "Mathematical Ideas in Early Philippine Society: Posthumous Essay." Philippine Studies: Historical and Ethnographic Viewpoints 2011.
Citatione MLA (9a ed.)Manapat, Ricardo. "Mathematical Ideas in Early Philippine Society: Posthumous Essay." Philippine Studies: Historical and Ethnographic Viewpoints, 2011.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.