Dyfyniad APA

Todaro, M. P., & Smith, S. C. (2000). Economic development (12th ed.). Addison-Wesley.

Dyfyniad Arddull Chicago

Todaro, Michael P., and Stephen C. Smith. Economic Development. 12th ed. Reading, MA [etc.]: Addison-Wesley, 2000.

Dyfyniad MLA

Todaro, Michael P., and Stephen C. Smith. Economic Development. 12th ed. Addison-Wesley, 2000.

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