Dyfyniad APA

Turner, J. R. (1919). Introduction to economics. Scribner's.

Dyfyniad Arddull Chicago

Turner, John Roscoe. Introduction to Economics. New York: Scribner's, 1919.

Dyfyniad MLA

Turner, John Roscoe. Introduction to Economics. Scribner's, 1919.

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