एपीए उद्धरण

Nadel, J. L. (2014). Incidence and risk factors for cognitive impairment in rural elderly populations in Costa Rica.

शिकागो स्टाइल उद्धरण

Nadel, Jeffrey L. Incidence and Risk Factors for Cognitive Impairment in Rural Elderly Populations in Costa Rica. 2014.

एमएलए उद्धरण

Nadel, Jeffrey L. Incidence and Risk Factors for Cognitive Impairment in Rural Elderly Populations in Costa Rica. 2014.