Citazione Stile APA (7a Edizione)

Gravetter, F. J., & Gravetter, F. J. a. (1996). Statistics for the behavioral sciences: SPSS manual (4th ed.). West.

Citazione stile Chigago Style (17a edizione)

Gravetter, Fredrick J., e Fredrick J.[et al] Gravetter. Statistics for the Behavioral Sciences: SPSS Manual. 4th ed. New York: West, 1996.

Citatione MLA (9a ed.)

Gravetter, Fredrick J., e Fredrick J.[et al] Gravetter. Statistics for the Behavioral Sciences: SPSS Manual. 4th ed. West, 1996.