Dyfyniad APA

Hagen, E. E. (1986). The economics of development (4th ed.). Irwin.

Dyfyniad Arddull Chicago

Hagen, Everett Einar. The Economics of Development. 4th ed. Homewood, Ill: Irwin, 1986.

Dyfyniad MLA

Hagen, Everett Einar. The Economics of Development. 4th ed. Irwin, 1986.

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