HASKINS, J. (1991). Succesful Advertising Research Methods Jack Haskins & Alice Kendrick. NTC Busines Books.
Chicago-viite (17. p.)HASKINS, Jack. Succesful Advertising Research Methods Jack Haskins & Alice Kendrick. NTC Busines Books, 1991.
MLA-viite (8. p.)HASKINS, Jack. Succesful Advertising Research Methods Jack Haskins & Alice Kendrick. NTC Busines Books, 1991.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.