Cita APA

Ashenfelter, O., Levine, P. B., & Zimmerman, D. J. (2003). Statistics and econometrics: Methods and applications. J. Wiley.

Citación estilo Chicago

Ashenfelter, Orley, Phillip B. Levine, and David J. Zimmerman. Statistics and Econometrics: Methods and Applications. New York: J. Wiley, 2003.

Cita MLA

Ashenfelter, Orley, et al. Statistics and Econometrics: Methods and Applications. J. Wiley, 2003.