Παραπομπή σε μορφή APA (7η εκδ.)

Gittinger, J. P. (1992). World Bank project-financed research on population, health and nutrition. Population and Human Resources Department, World Bank.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Gittinger, J. Price. World Bank Project-financed Research on Population, Health and Nutrition. Washington, D.C: Population and Human Resources Department, World Bank, 1992.

Παραπομπή σε μορφή MLA (9th εκδ.)

Gittinger, J. Price. World Bank Project-financed Research on Population, Health and Nutrition. Population and Human Resources Department, World Bank, 1992.