Sancianco, H. M. (2012). Creating great customer service. Anvil Publishing, Inc.
Chicago Style (17th ed.) CitationSancianco, Herbert M. Creating Great Customer Service. Mandaluyong City: Anvil Publishing, Inc, 2012.
ציטוט MLASancianco, Herbert M. Creating Great Customer Service. Anvil Publishing, Inc, 2012.
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