APA استشهاد

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

استشهاد بنمط شيكاغو

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

MLA استشهاد

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