Heller,Robert, & Hindle,Tim. (2008). Selling successfully. Dorling Kindersley.
芝加哥风格引文Heller,Robert, 与 Hindle,Tim. Selling Successfully. London: Dorling Kindersley, 2008.
MLA引文Heller,Robert, 与 Hindle,Tim. Selling Successfully. Dorling Kindersley, 2008.
警告：这些引文格式不一定是100％准确.