Dyfyniad APA

Levin, J., & Fox, J. A. (2008). Understanding elementary statistics in social research (10th ed.). Pearson, Allyn and Bacon.

Dyfyniad Arddull Chicago

Levin, Jack, and James Alan Fox. Understanding Elementary Statistics in Social Research. 10th ed. Boston: Pearson, Allyn and Bacon, 2008.

Dyfyniad MLA

Levin, Jack, and James Alan Fox. Understanding Elementary Statistics in Social Research. 10th ed. Pearson, Allyn and Bacon, 2008.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.