Dyfyniad APA

Todaro, M. P. (1997). Economic development (6th ed.). Addison-Wesley.

Dyfyniad Arddull Chicago

Todaro, Michael P. Economic Development. 6th ed. Reading, Mass.: Addison-Wesley, 1997.

Dyfyniad MLA

Todaro, Michael P. Economic Development. 6th ed. Addison-Wesley, 1997.

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