Παραπομπή APA

Clampitt, P. G., & Berk, L. (1993). Student workbook for communicating for managerial effectiveness. Sage.

Παραπομπή Chicago Style

Clampitt, Philip G., και Laurey Berk. Student Workbook for Communicating for Managerial Effectiveness. California: Sage, 1993.

Παραπομπή MLA

Clampitt, Philip G., και Laurey Berk. Student Workbook for Communicating for Managerial Effectiveness. Sage, 1993.