Stevens, R. P., & Ruth P. Stevens. (2004). Trade show and event marketing: Plan, promote & profit. Mason, OH: Thomson.
शिकागो स्टाइल उद्धरणStevens, Ruth P., और Ruth P. Stevens. Trade Show and Event Marketing: Plan, Promote & Profit. Mason, OH: Thomson, 2004.
एमएलए उद्धरणStevens, Ruth P., और Ruth P. Stevens. Trade Show and Event Marketing: Plan, Promote & Profit. Mason, OH: Thomson, 2004.
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