APA استشهاد

Gravetter, F. J., & Wallnau, L. B. (2000). Statistics for the behavioural sciences (Ed.5.). Wadsworth.

استشهاد بنمط شيكاغو

Gravetter, Frederick J., و Larry B. Wallnau. Statistics for the Behavioural Sciences. Ed.5. Australia: Wadsworth, 2000.

MLA استشهاد

Gravetter, Frederick J., و Larry B. Wallnau. Statistics for the Behavioural Sciences. Ed.5. Wadsworth, 2000.