Παραπομπή APA
Sandage, C. H., & Fryburger, V. R. (1975). Advertising theory and practice (9th ed.). Homewood, Ill.: R. D. Irwin.
Παραπομπή Chicago StyleSandage, Charles Harold, and Vernon Ray Fryburger. Advertising Theory and Practice. 9th ed. Homewood, Ill.: R. D. Irwin, 1975.
Παραπομπή MLASandage, Charles Harold, and Vernon Ray Fryburger. Advertising Theory and Practice. 9th ed. Homewood, Ill.: R. D. Irwin, 1975.
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