Παραπομπή APA

World Bank., & World Bank Group. (1990). The World Bank Group directory. Washington, D.C.: Information, Technology & Facilities Dept..

Παραπομπή Chicago Style

World Bank., and World Bank Group. The World Bank Group Directory. Washington, D.C.: Information, Technology & Facilities Dept., 1990.

Παραπομπή MLA

World Bank., and World Bank Group. The World Bank Group Directory. Washington, D.C.: Information, Technology & Facilities Dept., 1990.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.