Gaya APA

Loehlin, J, C. (1987). Latent Variable Models an introduction to factor, path, and structural analysis . New Jersey: Lawrece Erbaum Associates, Inc.

Gaya MLA

Loehlin, John, C.. "Latent Variable Models an introduction to factor, path, and structural analysis". New Jersey: Lawrece Erbaum Associates, Inc, 1987. Text.