APA-viite

Hellwig, Z. (1953). Linear regression and its application to economics. Pergamon.

Chicago-tyylinen lähdeviittaus

Hellwig, Zdzilaw. Linear Regression and Its Application to Economics. Oxford: Pergamon, 1953.

MLA-viite

Hellwig, Zdzilaw. Linear Regression and Its Application to Economics. Pergamon, 1953.