एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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