Dyfyniad APA

Williamson, H. F., & Buttrick, J. A. (1964). Economic development and principles. Prentice Hall of India.

Dyfyniad Arddull Chicago

Williamson, Harold F., and John A. Buttrick. Economic Development and Principles. New Delhi: Prentice Hall of India, 1964.

Dyfyniad MLA

Williamson, Harold F., and John A. Buttrick. Economic Development and Principles. Prentice Hall of India, 1964.

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