Garber, P. R. (2007). 25 Sales Strategies and Activities. Excel Books.
芝加哥风格引文Garber, Peter R. 25 Sales Strategies and Activities. New Delhi: Excel Books, 2007.
MLA引文Garber, Peter R. 25 Sales Strategies and Activities. Excel Books, 2007.
警告：这些引文格式不一定是100％准确.