Philippine Council for Agriculture and Resources Research and Development. (2001). The Philippines recommends for conservation farming in the sloping lands. PCARRD-DOST.
Citazione stile Chigago Style (17a edizione)Philippine Council for Agriculture and Resources Research and Development. The Philippines Recommends for Conservation Farming in the Sloping Lands. Los Banos, Laguna: PCARRD-DOST, 2001.
Citatione MLA (9a ed.)Philippine Council for Agriculture and Resources Research and Development. The Philippines Recommends for Conservation Farming in the Sloping Lands. PCARRD-DOST, 2001.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.