APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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