Lawley, D. N. (1963). Factor analysis as a statistical method. Butterworths.
Cita Chicago (17th ed.)Lawley, D. N. Factor Analysis as a Statistical Method. London: Butterworths, 1963.
Cita MLA (9th ed.)Lawley, D. N. Factor Analysis as a Statistical Method. Butterworths, 1963.
Atenció: Aquestes cites poden no estar 100% correctes.