Jolliffe, I. T. (2002). Principal component analysis (2nd ed.). Springer.
Cita Chicago (17th ed.)Jolliffe, I. T. Principal Component Analysis. 2nd ed. New York: Springer, 2002.
Cita MLA (8th ed.)Jolliffe, I. T. Principal Component Analysis. 2nd ed. Springer, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.