Rowson , p. (2005). Effeetive telemarketing. Infinity Books.
Chicago-čujuhus (17. p.)Rowson , pauline. Effeetive Telemarketing. Delhi: Infinity Books, 2005.
MLA-čujuhus (9. p.)Rowson , pauline. Effeetive Telemarketing. Infinity Books, 2005.
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