Jarboe, G. R. (1999). The marketing research project manual (4th ed.). Cincinnati: South-Western College.
استشهاد بنمط شيكاغوJarboe, Glen R. The Marketing Research Project Manual. 4th ed. Cincinnati: South-Western College, 1999.
MLA استشهادJarboe, Glen R. The Marketing Research Project Manual. 4th ed. Cincinnati: South-Western College, 1999.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.