Παραπομπή APA

Levin, R. I., & Rubin, D. S. (2001). Statistics for management (7.).

Παραπομπή Chicago Style

Levin, Richard I., και David S. Rubin. Statistics for Management. 7. NewDelhi, P H I, 2001.

Παραπομπή MLA

Levin, Richard I., και David S. Rubin. Statistics for Management. 7. 2001.