Cita APA (7th ed.)
Westhoff, F. An Introduction to Econometrics: A Self-Contained Approach. Massachusetts Institute of Technology.
Cita Chicago (17th ed.)
Westhoff, Frank. An Introduction to Econometrics: A Self-Contained Approach. Cambridge, EUA: Massachusetts Institute of Technology.
Cita MLA (9th ed.)
Westhoff, Frank. An Introduction to Econometrics: A Self-Contained Approach. Massachusetts Institute of Technology.
Atenció: Aquestes cites poden no estar 100% correctes.