David Hitchens. (2000). Environmental regulation and competitive advantage. Northampton: Edward Elgar Publishing, Inc.
शिकागो स्टाइल उद्धरणDavid Hitchens. Environmental Regulation and Competitive Advantage. Northampton: Edward Elgar Publishing, Inc, 2000.
एमएलए उद्धरणDavid Hitchens. Environmental Regulation and Competitive Advantage. Northampton: Edward Elgar Publishing, Inc, 2000.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.