APA (7e ed.) Bronvermelding

Philippine Council for Agriculture, Forestry and Natural Resources Research and Development. (1987). Improved cultivars of ampalaya. PCARRD.

Chicago (17e ed.) Bronvermelding

Philippine Council for Agriculture, Forestry and Natural Resources Research and Development. Improved Cultivars of Ampalaya. Los Banos, Laguna: PCARRD, 1987.

MLA (9e ed.) Bronvermelding

Philippine Council for Agriculture, Forestry and Natural Resources Research and Development. Improved Cultivars of Ampalaya. PCARRD, 1987.