APA引文

Chinchilla-Arley, R. (2011). Virtual Library of Population and Health at Central American Population Center.

Citación estilo Chicago

Chinchilla-Arley, Ricardo. Virtual Library of Population and Health At Central American Population Center. 2011.

MLA引文

Chinchilla-Arley, Ricardo. Virtual Library of Population and Health At Central American Population Center. 2011.

警告：这些引文格式不一定是100％准确.