Helmstetter, G. (1997). Increasing hits and selling more on your Web site. Wiley Computer Pub..
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芝加哥风格引文
Helmstetter, Greg. Increasing Hits and Selling More on Your Web Site. New York: Wiley Computer Pub., 1997.
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MLA引文
Helmstetter, Greg. Increasing Hits and Selling More on Your Web Site. Wiley Computer Pub., 1997.
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警告：这些引文格式不一定是100％准确.