Cita APA (7a ed.)

Freund, J. E., & Perles, B. M. (2014). Modern elementary statistics (12 ed.). Pearson.

Cita Chicago Style (17a ed.)

Freund, John E., y Benjamin M. Perles. Modern Elementary Statistics. 12 ed. Englewood Cliffs: Pearson, 2014.

Cita MLA (9a ed.)

Freund, John E., y Benjamin M. Perles. Modern Elementary Statistics. 12 ed. Pearson, 2014.