Gaya APA

Johnson, R, A., Wihern, D, W. (1988). Applied Multivariate Statistical Analysis (Edisi 2). New Jersey: Prentice Hall.

Gaya MLA

Johnson, Richard, A.., Wihern, Dean, W.. "Applied Multivariate Statistical Analysis". Edisi 2 New Jersey: Prentice Hall, 1988. Text.