Gaya APA

Keith, T, Z. (2015). Multiple Regression and Beyond : An Introduction to Multiple Regression and Structural Equation Modeling (2nd Edition) (2nd Edition). New York: Routledge.

Gaya MLA

Keith, Timothy, Z.. "Multiple Regression and Beyond : An Introduction to Multiple Regression and Structural Equation Modeling (2nd Edition)". 2nd Edition New York: Routledge, 2015. Computer File.