Cita APA (7th ed.)

Levin, J., & Fox .James Alan. (1996). Elementary statistics in social research. Longman.

Cita Chicago (17th ed.)

Levin, Jasck, i Fox .James Alan. Elementary Statistics in Social Research. New York: Longman, 1996.

Cita MLA (9th ed.)

Levin, Jasck, i Fox .James Alan. Elementary Statistics in Social Research. Longman, 1996.