APA استشهاد

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

استشهاد بنمط شيكاغو

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

MLA استشهاد

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

تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.