Παραπομπή APA

World bank. (1999). World development report 1998-99: Knowledge for development. University press.

Παραπομπή Chicago Style

World bank. World Development Report 1998-99: Knowledge for Development. Oxford: University press, 1999.

Παραπομπή MLA

World bank. World Development Report 1998-99: Knowledge for Development. University press, 1999.