Cita APA

Gravetter, F. J., & Wallnau, L. B. (1995). Essentials of Statistics for the Behavioural Sciences (2.).

Citación estilo Chicago

Gravetter, Frederick J., and Larry B. Wallnau. Essentials of Statistics for the Behavioural Sciences. 2. Sanfrancisco, West Publishing Company, 1995.

Cita MLA

Gravetter, Frederick J., and Larry B. Wallnau. Essentials of Statistics for the Behavioural Sciences. 2. 1995.