Dyfyniad APA

Beals,Ralph E. (1972). Statistics for economists: An introduction. Rand McNally College publishing Co.

Dyfyniad Arddull Chicago

Beals,Ralph E. Statistics for Economists: An Introduction. Chicago: Rand McNally College publishing Co, 1972.

Dyfyniad MLA

Beals,Ralph E. Statistics for Economists: An Introduction. Rand McNally College publishing Co, 1972.

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