Gaya APA
JOHNSON, R, A., WICHERN, D, W. (1982).
Applied multivariate statistical analysis .
Englewood Cliffs:
Prentice-Hall.
Gaya MLA
JOHNSON, Richard, Arnold., WICHERN, Dean, W..
"Applied multivariate statistical analysis".
Englewood Cliffs:
Prentice-Hall,
1982.
Buku.