O'Dea, V. (1998). Better business by phone: A guide to effective telebusiness management. Macmillan business.
Styl ChicagoO'Dea, Valerie. Better Business by Phone: A Guide to Effective Telebusiness Management. Macmillan business, 1998.
Citace podle MLAO'Dea, Valerie. Better Business by Phone: A Guide to Effective Telebusiness Management. Macmillan business, 1998.
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