Agency for Instructional Technology. (2002). Communication 2000: Communicating with Customers. South-Western: Thomson Learning.
Styl ChicagoAgency for Instructional Technology. Communication 2000: Communicating With Customers. South-Western: Thomson Learning, 2002.
Citace podle MLAAgency for Instructional Technology. Communication 2000: Communicating With Customers. South-Western: Thomson Learning, 2002.
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