Παραπομπή APA

Welsch, G. A. (1970). Cases in profit planning and control. New Jersey.

Παραπομπή Chicago Style

Welsch, Glenn A. Cases in Profit Planning and Control. Prentice Hall: New Jersey, 1970.

Παραπομπή MLA

Welsch, Glenn A. Cases in Profit Planning and Control. New Jersey, 1970.