Harlan, R. C., & Woolfsaon, W. M. (1993). Telemarketing that works: How to create a winning program for your company. Jaico Publishing.
Chicago Style citaatHarlan, Raymond C., en Walter M. Woolfsaon. Telemarketing That Works: How to Create a Winning Program for Your Company. Bombay: Jaico Publishing, 1993.
MLA citatieHarlan, Raymond C., en Walter M. Woolfsaon. Telemarketing That Works: How to Create a Winning Program for Your Company. Jaico Publishing, 1993.
Let op: Deze citaties zijn niet altijd 100% accuraat.