Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.