Philippine Council for Agriculture and Resources Research. (1977). The Philippines recommends for duck raising. PCARRD.
芝加哥风格引文Philippine Council for Agriculture and Resources Research. The Philippines Recommends for Duck Raising. Los Banos, Laguna: PCARRD, 1977.
MLA引文Philippine Council for Agriculture and Resources Research. The Philippines Recommends for Duck Raising. PCARRD, 1977.
警告：这些引文格式不一定是100％准确.