APA način citiranja

Helmstetter, G. (1997). Increasing hits and selling more on your Web site. WILEY.

Čikaški stil citiranja

Helmstetter, Greg. Increasing Hits and Selling More On Your Web Site. WILEY, 1997.

MLA način citiranja

Helmstetter, Greg. Increasing Hits and Selling More On Your Web Site. WILEY, 1997.

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