Futrell Charles M. (2009). Fundamentals of selling: Customers for life through services (11th edition.). McGraw Hill.
芝加哥风格引文Futrell Charles M. Fundamentals of Selling: Customers for Life Through Services. 11th edition. Boston: McGraw Hill, 2009.
MLA引文Futrell Charles M. Fundamentals of Selling: Customers for Life Through Services. 11th edition. McGraw Hill, 2009.
警告：这些引文格式不一定是100％准确.