Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.