STONE BOB. (1992). SUCCESSFUL TELEMARKETING: OPPORTUNITIES & TECH. FOR INC SALES AND PROFITS (2.). NTC BUSINESS BOOKS.
Chicago-Zitierstil (17. Ausg.)STONE BOB. SUCCESSFUL TELEMARKETING: OPPORTUNITIES & TECH. FOR INC SALES AND PROFITS. 2. U S A: NTC BUSINESS BOOKS, 1992.
MLA-Zitierstil (9. Ausg.)STONE BOB. SUCCESSFUL TELEMARKETING: OPPORTUNITIES & TECH. FOR INC SALES AND PROFITS. 2. NTC BUSINESS BOOKS, 1992.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.