Παραπομπή APA

Harlan, R. C., & Woolfsaon, W. M. (1993). Telemarketing that works: How to create a winning program for your company. Jaico Publishing.

Παραπομπή Chicago Style

Harlan, Raymond C., και Walter M. Woolfsaon. Telemarketing That Works: How to Create a Winning Program for Your Company. Bombay: Jaico Publishing, 1993.

Παραπομπή MLA

Harlan, Raymond C., και Walter M. Woolfsaon. Telemarketing That Works: How to Create a Winning Program for Your Company. Jaico Publishing, 1993.