Jarboe, G. R. (1999). The marketing research project manual (4th ed.). Cincinnati: South-Western College.
Παραπομπή Chicago StyleJarboe, Glen R. The Marketing Research Project Manual. 4th ed. Cincinnati: South-Western College, 1999.
Παραπομπή MLAJarboe, Glen R. The Marketing Research Project Manual. 4th ed. Cincinnati: South-Western College, 1999.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.