APA-referens (7:e uppl.)

Jolliffe, I. T. (2002). Principal component analysis (2nd ed.). Springer.

Chicago-referens (17:e uppl.)

Jolliffe, I. T. Principal Component Analysis. 2nd ed. New York: Springer, 2002.

MLA-referens (8:e uppl.)

Jolliffe, I. T. Principal Component Analysis. 2nd ed. Springer, 2002.