Tanur, Judith M, & Kruskal, W. H. (1989). Statistics: A Guide to the Unknown (2nd ed.). Wadsworth & Brooks/Cole.
Chicago (17e ed.) BronvermeldingTanur, Judith M, en William H. Kruskal. Statistics: A Guide to the Unknown. 2nd ed. Pacific Grove, CA: Wadsworth & Brooks/Cole, 1989.
MLA (9e ed.) BronvermeldingTanur, et al. Statistics: A Guide to the Unknown. 2nd ed. Wadsworth & Brooks/Cole, 1989.
Let op: Deze citaties zijn niet altijd 100% accuraat.