Παραπομπή APA

Herpel, G. L., & Collins, R. A. (1972). Speciality advertising in marketing. Homewood,Ill.: Dow Jones-Irwin.

Παραπομπή Chicago Style

Herpel, George Lloyd, and Richard A. Collins. Speciality Advertising in Marketing. Homewood,Ill.: Dow Jones-Irwin, 1972.

Παραπομπή MLA

Herpel, George Lloyd, and Richard A. Collins. Speciality Advertising in Marketing. Homewood,Ill.: Dow Jones-Irwin, 1972.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.