APA引文

Tonjes, J. J. (1994). The pineapple in the atlantic zone of Costa Rica: A study on the sustainability of the cropping system of pineapple in the Atlantic Zone of Costa Rica.

Citación estilo Chicago

Tonjes, J. J. The Pineapple in the Atlantic Zone of Costa Rica: A Study On the Sustainability of the Cropping System of Pineapple in the Atlantic Zone of Costa Rica. 1994.

MLA引文

Tonjes, J. J. The Pineapple in the Atlantic Zone of Costa Rica: A Study On the Sustainability of the Cropping System of Pineapple in the Atlantic Zone of Costa Rica. 1994.

警告：這些引文格式不一定是100％准確.