APA aipamena

Rosero Bixby, L. (1991). Socioeconomic development, health interventions and mortality decline in Costa Rica.

Chicago Style aipamena

Rosero Bixby, Luis. Socioeconomic Development, Health Interventions and Mortality Decline in Costa Rica. 1991.

MLA aipamena

Rosero Bixby, Luis. Socioeconomic Development, Health Interventions and Mortality Decline in Costa Rica. 1991.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.