Martin, E. (1957). Preliminary studies in replanting cacao in Costa Rica.
Citación estilo ChicagoMartin, E.J. Preliminary Studies in Replanting Cacao in Costa Rica. 1957.
MLA引文Martin, E.J. Preliminary Studies in Replanting Cacao in Costa Rica. 1957.
警告:這些引文格式不一定是100%准確.