APA引文

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

Chicago Edition Citation

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

MLA引文

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

警告：这些引文格式不一定是100％准确.