Dyfyniad APA

Eatwell, J. E., Milgate, M. E., & Newman, P. (1989). Economic development. Macmillan.

Dyfyniad Arddull Chicago

Eatwell, John Ed, Murray Ed Milgate, and Peter Newman. Economic Development. London: Macmillan, 1989.

Dyfyniad MLA

Eatwell, John Ed, et al. Economic Development. Macmillan, 1989.

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