Dyfyniad APA

Johnson, H. G. (1973). The theory of income distribution. Gray-Mills.

Dyfyniad Arddull Chicago

Johnson, Harry Gordon. The Theory of Income Distribution. London: Gray-Mills, 1973.

Dyfyniad MLA

Johnson, Harry Gordon. The Theory of Income Distribution. Gray-Mills, 1973.

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