APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.