APA引文

Castro, R., Porras, J. A., & Jiménez, G. (2009). Alternatives for the Better Use of Electricity in Costa Rica.

Citación estilo Chicago

Castro, René, José A. Porras, y Gustavo Jiménez. Alternatives for the Better Use of Electricity in Costa Rica. 2009.

MLA引文

Castro, René, José A. Porras, y Gustavo Jiménez. Alternatives for the Better Use of Electricity in Costa Rica. 2009.

警告：這些引文格式不一定是100％准確.