Harlan, R. C., & Woolfsaon, W. M. (1993). Telemarketing that works: How to create a winning program for your company. Jaico Publishing.
Citação norma ChicagoHarlan, Raymond C., and Walter M. Woolfsaon. Telemarketing That Works: How to Create a Winning Program for Your Company. Bombay: Jaico Publishing, 1993.
Citação norma MLAHarlan, Raymond C., and Walter M. Woolfsaon. Telemarketing That Works: How to Create a Winning Program for Your Company. Jaico Publishing, 1993.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.