Dyfyniad APA

Gravetter, F. J., & Wallnau, L. B. (1996). Statistics for the behavioral sciences: A first course for students of psychology and education (4th ed.). West.

Dyfyniad Arddull Chicago

Gravetter, Fredrick J., and Larry B. Wallnau. Statistics for the Behavioral Sciences: A First Course for Students of Psychology and Education. 4th ed. New York: West, 1996.

Dyfyniad MLA

Gravetter, Fredrick J., and Larry B. Wallnau. Statistics for the Behavioral Sciences: A First Course for Students of Psychology and Education. 4th ed. West, 1996.

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