APA

Banco Mundial (Washington D. C.), . (1981). Guidelines use of consultants by World Bank borrowers and by the World Bank as executing agency. Washington, D. C: World Bank.

Chicago

Banco Mundial (Washington D. C.), . 1981. Guidelines use of consultants by World Bank borrowers and by the World Bank as executing agency. Washington, D. C: World Bank.

Harvard

Banco Mundial (Washington D. C.), . (1981). Guidelines use of consultants by World Bank borrowers and by the World Bank as executing agency. Washington, D. C: World Bank.

MLA

Banco Mundial (Washington D. C.), . Guidelines use of consultants by World Bank borrowers and by the World Bank as executing agency. Washington, D. C: World Bank. 1981.