Gaya APA

O’Rourke, N., Hatcher, L. (2013). A Step-by-Step Approach to Using SAS ® for Factor Analysis and Structural Equation Modeling (Second Edition) (2nd Edition). USA: SAS Institute Inc.

Gaya MLA

O’Rourke, Norm., Hatcher, Larry. "A Step-by-Step Approach to Using SAS ® for Factor Analysis and Structural Equation Modeling (Second Edition)". 2nd Edition USA: SAS Institute Inc, 2013. Computer File.