Bartholomew, D. (1987). Latent variable models and factor analysis. Oxford university press.
Dyfyniad Arddull ChicagoBartholomew, D.J. Latent Variable Models and Factor Analysis. New York: Oxford university press, 1987.
Dyfyniad MLABartholomew, D.J. Latent Variable Models and Factor Analysis. Oxford university press, 1987.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.