APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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