Cita APA (7th ed.)

Levin, J., & Fox, J. A. (2010). Elementary statistics in social research (11th ed.). Pearson Education South Asia Pte.

Cita Chicago (17th ed.)

Levin, Jack, i James Alan Fox. Elementary Statistics in Social Research. 11th ed. Jurong, Singapore: Pearson Education South Asia Pte, 2010.

Cita MLA (9th ed.)

Levin, Jack, i James Alan Fox. Elementary Statistics in Social Research. 11th ed. Pearson Education South Asia Pte, 2010.