Styl cytowania APA

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

Styl cytowania Chicago

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

Styl cytowania MLA

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