STONE BOB. (1986). SUCESSFUL TELEMARKETING OPPORTUNITIES & TECH: FOR INCREASING SALES AND ? N T C BUSINESS BOOKS.
Chicago-čujuhus (17. p.)STONE BOB. SUCESSFUL TELEMARKETING OPPORTUNITIES & TECH: FOR INCREASING SALES AND ? ILLNOIS U.S.A: N T C BUSINESS BOOKS, 1986.
MLA-čujuhus (9. p.)STONE BOB. SUCESSFUL TELEMARKETING OPPORTUNITIES & TECH: FOR INCREASING SALES AND ? N T C BUSINESS BOOKS, 1986.
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