APA引文

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

Chicago Edition Citation

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

MLA引文

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

警告：這些引文格式不一定是100％准確.