Katz, B. (1988). How to turn customer service into customer sales. NTC Business Books.
芝加哥风格引文Katz, Bernard. How to Turn Customer Service into Customer Sales. Lincolnwood, Ill: NTC Business Books, 1988.
MLA引文Katz, Bernard. How to Turn Customer Service into Customer Sales. NTC Business Books, 1988.
警告：这些引文格式不一定是100％准确.