Cita APA (7th ed.)

Gravetter, F. J., & Wallnau, L. B. (2005). Essentials of statistics for the behavioral sciences (5th ed.). Thomson/Wadsworth.

Cita Chicago (17th ed.)

Gravetter, Frederick J., i Larry B. Wallnau. Essentials of Statistics for the Behavioral Sciences. 5th ed. Belmont, Calif: Thomson/Wadsworth, 2005.

Cita MLA (9th ed.)

Gravetter, Frederick J., i Larry B. Wallnau. Essentials of Statistics for the Behavioral Sciences. 5th ed. Thomson/Wadsworth, 2005.