Παραπομπή APA

Iversen, G. R., & Norpoth, H. (1987). Analysis of variance (2nd ed.). Sage.

Παραπομπή Chicago Style

Iversen, Gudmund R., και Helmut Norpoth. Analysis of Variance. 2nd ed. London: Sage, 1987.

Παραπομπή MLA

Iversen, Gudmund R., και Helmut Norpoth. Analysis of Variance. 2nd ed. Sage, 1987.