Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

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