Cita APA (7th ed.)

Levin, J., & Fox, J. A. (2011). Elementary statistics in social research: The essentials (3rd ed.). Allyn & Bacon.

Cita Chicago (17th ed.)

Levin, Jack, i James Alan Fox. Elementary Statistics in Social Research: The Essentials. 3rd ed. Boston: Allyn & Bacon, 2011.

Cita MLA (9th ed.)

Levin, Jack, i James Alan Fox. Elementary Statistics in Social Research: The Essentials. 3rd ed. Allyn & Bacon, 2011.