APA-viite

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

Chicago-tyylinen lähdeviittaus

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

MLA-viite

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