Dyfyniad APA

Myrdak, G. (1957). Eco. theory and under developed regions. G. DUckworth.

Dyfyniad Arddull Chicago

Myrdak, Gunnar. Eco. Theory and Under Developed Regions. London: G. DUckworth, 1957.

Dyfyniad MLA

Myrdak, Gunnar. Eco. Theory and Under Developed Regions. G. DUckworth, 1957.

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