Παραπομπή APA
Tull, D. S., & Hawkins, D. I. (1976). Marketing research: Meaning, measurement, and method : a text with cases. New York: Macmillan.
Παραπομπή Chicago StyleTull, Donald S., and Del I. Hawkins. Marketing Research: Meaning, Measurement, and Method : A Text With Cases. New York: Macmillan, 1976.
Παραπομπή MLATull, Donald S., and Del I. Hawkins. Marketing Research: Meaning, Measurement, and Method : A Text With Cases. New York: Macmillan, 1976.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.