Dyfyniad APA

Beals, R. (1972). Statistics for economists, an introduction. Rand McNally.

Dyfyniad Arddull Chicago

Beals, Ralphe. Statistics for Economists, an Introduction. Chicago: Rand McNally, 1972.

Dyfyniad MLA

Beals, Ralphe. Statistics for Economists, an Introduction. Rand McNally, 1972.

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