Dyfyniad APA

Todaro Michael p / Smith Stephen C. (2015). Economic Development (12.). Pearson.

Dyfyniad Arddull Chicago

Todaro Michael p / Smith Stephen C. Economic Development. 12. Pearson, 2015.

Dyfyniad MLA

Todaro Michael p / Smith Stephen C. Economic Development. 12. Pearson, 2015.

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