Lua APA (7ú heag.)

Levin, J., & Fox, J. A. (2006). Elementary statistics in social research (10th ed.). Pearson/Allyn and Bacon.

Lua i Stíl Chicago (17ú heag.)

Levin, Jack, agus James Alan Fox. Elementary Statistics in Social Research. 10th ed. Boston, Massachusetts: Pearson/Allyn and Bacon, 2006.

Lua MLA (9ú heag.)

Levin, Jack, agus James Alan Fox. Elementary Statistics in Social Research. 10th ed. Pearson/Allyn and Bacon, 2006.

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