Leung, S. (2010). Google AdWords insider: Insider strategies you must master to instantly expose your business to 200 million Google users. Madeeasy Pub.
Chicago-Zitierstil (17. Ausg.)Leung, Simon. Google AdWords Insider: Insider Strategies You Must Master to Instantly Expose Your Business to 200 Million Google Users. Garden City, NY: Madeeasy Pub, 2010.
MLA-Zitierstil (9. Ausg.)Leung, Simon. Google AdWords Insider: Insider Strategies You Must Master to Instantly Expose Your Business to 200 Million Google Users. Madeeasy Pub, 2010.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.