Crandall, R. (2003). Marketing your services: For people who hate to sell (Updated and expanded ed.). McGraw Hill.
शिकागो स्टाइल उद्धरणCrandall, Rick. Marketing Your Services: For People Who Hate to Sell. Updated and expanded ed. New Jersey: McGraw Hill, 2003.
एमएलए उद्धरणCrandall, Rick. Marketing Your Services: For People Who Hate to Sell. Updated and expanded ed. McGraw Hill, 2003.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.