O'Dea, V. (1998). Better business by phone: A guide to effective telebusiness management. Macmillan business.
Chicago-стиль цитированияO'Dea, Valerie. Better Business by Phone: A Guide to Effective Telebusiness Management. Macmillan business, 1998.
MLA-цитированиеO'Dea, Valerie. Better Business by Phone: A Guide to Effective Telebusiness Management. Macmillan business, 1998.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.