APA (7e ed.) Bronvermelding

Koopmans, L. H. (1987). Introduction to contemporary statistical methods (2a. ed.). Duxbury.

Chicago (17e ed.) Bronvermelding

Koopmans, Lambert Herman. Introduction to Contemporary Statistical Methods. 2a. ed. Boston: Duxbury, 1987.

MLA (9e ed.) Bronvermelding

Koopmans, Lambert Herman. Introduction to Contemporary Statistical Methods. 2a. ed. Duxbury, 1987.