APA (7e ed.) Bronvermelding

Philippine Council for Agriculture and Resources Research. (1977). The Philippines recommends for soil conservation 1977. PCARR.

Chicago (17e ed.) Bronvermelding

Philippine Council for Agriculture and Resources Research. The Philippines Recommends for Soil Conservation 1977. Los Banos, Laguna: PCARR, 1977.

MLA (9e ed.) Bronvermelding

Philippine Council for Agriculture and Resources Research. The Philippines Recommends for Soil Conservation 1977. PCARR, 1977.

Let op: Deze citaties zijn niet altijd 100% accuraat.