MarketingSherpa, I., & ProQuest (Firm). (2003). Proven online ad sales tactics: Practical know-how from profitable web and newsletter publishers. Portsmouth, R.I.: MarketingSherpa, Inc..
Chicago Style CitationMarketingSherpa, Inc., and ProQuest (Firm). Proven Online Ad Sales Tactics: Practical Know-how From Profitable Web and Newsletter Publishers. Portsmouth, R.I.: MarketingSherpa, Inc., 2003.
MLA CitationMarketingSherpa, Inc., and ProQuest (Firm). Proven Online Ad Sales Tactics: Practical Know-how From Profitable Web and Newsletter Publishers. Portsmouth, R.I.: MarketingSherpa, Inc., 2003.
Warning: These citations may not always be 100% accurate.