Sa-onoy, M. P. (1981). The dentists of Negros. Negros Occidental Dental Society and Negros Occidental Historical Commission.
Citazione stile Chigago Style (17a edizione)Sa-onoy, Modesto P. The Dentists of Negros. Bacolod City: Negros Occidental Dental Society and Negros Occidental Historical Commission, 1981.
Citatione MLA (9a ed.)Sa-onoy, Modesto P. The Dentists of Negros. Negros Occidental Dental Society and Negros Occidental Historical Commission, 1981.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.