Iversen, G. R., & Norpoth, H. Analysis of variance.
Cita Chicago (17th ed.)Iversen, Gudmund R., i Helmut Norpoth. Analysis of Variance. Beverly Hills, Sage, c1076.
Cita MLA (9th ed.)Iversen, Gudmund R., i Helmut Norpoth. Analysis of Variance.
Atenció: Aquestes cites poden no estar 100% correctes.