Cita APA (7th ed.)
Gravetter, F. J., & Wallnau, L. B. (2002). Essentials of statistics for the behavioral sciences. Wadsworth.
Cita Chicago (17th ed.)
Gravetter, Frederick J., i Larry B. Wallnau. Essentials of Statistics for the Behavioral Sciences. Pacific Grove, CA: Wadsworth, 2002.
Cita MLA (9th ed.)
Gravetter, Frederick J., i Larry B. Wallnau. Essentials of Statistics for the Behavioral Sciences. Wadsworth, 2002.
Atenció: Aquestes cites poden no estar 100% correctes.