KATZ BERNARD. (1987). HOW TO TURN CUSTOMER SERVICE IN TO CUSTOMER SALES. WILDWOOD HOUSE LTD.
Chicago Style (17th ed.) CitationKATZ BERNARD. HOW TO TURN CUSTOMER SERVICE IN TO CUSTOMER SALES. ENGLAND: WILDWOOD HOUSE LTD, 1987.
MLA引文KATZ BERNARD. HOW TO TURN CUSTOMER SERVICE IN TO CUSTOMER SALES. WILDWOOD HOUSE LTD, 1987.
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