(1991). Tropical root crops in a developing economy. Wageningen, Netherland: ISTRC.
Trích dẫn kiểu ChicagoTropical Root Crops in a Developing Economy. Wageningen, Netherland: ISTRC, 1991.
MLA引文Tropical Root Crops in a Developing Economy. Wageningen, Netherland: ISTRC, 1991.
警告:這些引文格式不一定是100%准確.