APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.