Cita APA (7th ed.)

Gravetter, F. J., & Wallnau, L. B. (1995). Essentials of statistics for the behavioral sciences (2nd.ed.). West.

Cita Chicago (17th ed.)

Gravetter, Frederick J., i Larry B. Wallnau. Essentials of Statistics for the Behavioral Sciences. 2nd.ed. Minneapolis: West, 1995.

Cita MLA (9th ed.)

Gravetter, Frederick J., i Larry B. Wallnau. Essentials of Statistics for the Behavioral Sciences. 2nd.ed. West, 1995.