Παραπομπή σε μορφή APA (7η εκδ.)

Gravetter, F. J., & Wallnau, L. B. (1991). Essentials of statistics for the behavioral sciences. West Publishing Company.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Gravetter, Frederick J., και Larry B. Wallnau. Essentials of Statistics for the Behavioral Sciences. St. Paul: West Publishing Company, 1991.

Παραπομπή σε μορφή MLA (8th εκδ.)

Gravetter, Frederick J., και Larry B. Wallnau. Essentials of Statistics for the Behavioral Sciences. West Publishing Company, 1991.