Pepels, W. (1999). Werbeeffizienzmessung. Schäffer-Poeschel.
Chicago Style (17th ed.) CitationPepels, Werner. Werbeeffizienzmessung. Stuttgart: Schäffer-Poeschel, 1999.
MLA (9th ed.) CitationPepels, Werner. Werbeeffizienzmessung. Schäffer-Poeschel, 1999.
Warning: These citations may not always be 100% accurate.