Dyfyniad APA

World bank. (1999). Entering the 21st Century: World development report 1999/2000. University press.

Dyfyniad Arddull Chicago

World bank. Entering the 21st Century: World Development Report 1999/2000. Oxford: University press, 1999.

Dyfyniad MLA

World bank. Entering the 21st Century: World Development Report 1999/2000. University press, 1999.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.