STONE BOB. (1992). SUCCESSFUL TELEMARKETING: OPPORTUNITIES & TECH. FOR INC SALES AND PROFITS (2.). NTC BUSINESS BOOKS.
Chicago-čujuhus (17. p.)STONE BOB. SUCCESSFUL TELEMARKETING: OPPORTUNITIES & TECH. FOR INC SALES AND PROFITS. 2. U S A: NTC BUSINESS BOOKS, 1992.
MLA-čujuhus (9. p.)STONE BOB. SUCCESSFUL TELEMARKETING: OPPORTUNITIES & TECH. FOR INC SALES AND PROFITS. 2. NTC BUSINESS BOOKS, 1992.
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