Citazione Stile APA (7a Edizione)

de Haan, C. (1985). Animal health services in Sub-Saharan Africa: Alternative approaches. World Bank.

Citazione stile Chigago Style (17a edizione)

de Haan, Cornelis. Animal Health Services in Sub-Saharan Africa: Alternative Approaches. Washington: World Bank, 1985.

Citatione MLA (9a ed.)

de Haan, Cornelis. Animal Health Services in Sub-Saharan Africa: Alternative Approaches. World Bank, 1985.