Παραπομπή σε μορφή APA (7η εκδ.)

Gwatkin, D. R. (2000). Socio-economic differences in health, nutrition, and population in Bolivia. World Bank.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Gwatkin, Davidson R. Socio-economic Differences in Health, Nutrition, and Population in Bolivia. Washington, D.C: World Bank, 2000.

Παραπομπή σε μορφή MLA (9th εκδ.)

Gwatkin, Davidson R. Socio-economic Differences in Health, Nutrition, and Population in Bolivia. World Bank, 2000.