APA aipamena

Rosero Bixby, L. (1996). Adult mortality decline in Costa Rica.

Chicago Style aipamena

Rosero Bixby, Luis. Adult Mortality Decline in Costa Rica. 1996.

MLA aipamena

Rosero Bixby, Luis. Adult Mortality Decline in Costa Rica. 1996.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.