Clabaugh, M. (1992). Practical selling: A case approach. West Publishing.
芝加哥风格引文Clabaugh, Maurice. Practical Selling: A Case Approach. St Paul: West Publishing, 1992.
MLA引文Clabaugh, Maurice. Practical Selling: A Case Approach. West Publishing, 1992.
警告：这些引文格式不一定是100％准确.