Bacal, R. (2005). Perfect phrases for customer service: Hundreds of tools, techniques, and scripts for handling any situation. New York: McGraw-Hill.
শিকাগো স্টাইলে সাইটেশনBacal, Robert. Perfect Phrases for Customer Service: Hundreds of Tools, Techniques, and Scripts for Handling Any Situation. New York: McGraw-Hill, 2005.
এমএলএ সাইটেশনBacal, Robert. Perfect Phrases for Customer Service: Hundreds of Tools, Techniques, and Scripts for Handling Any Situation. New York: McGraw-Hill, 2005.
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