WITEK, J. (1992). Response Television John Witek. NTC Business Books.
Chicago Style (17th ed.) CitationWITEK, John. Response Television John Witek. NTC Business Books, 1992.
Cita MLAWITEK, John. Response Television John Witek. NTC Business Books, 1992.
Atenció: Aquestes cites poden no estar 100% correctes.