(1994). Implementing integrated environmental management. Blacksburg, VA: Virginia Polytechnic Institute and State University.
शिकागो स्टाइल उद्धरणImplementing Integrated Environmental Management. Blacksburg, VA: Virginia Polytechnic Institute and State University, 1994.
एमएलए उद्धरणImplementing Integrated Environmental Management. Blacksburg, VA: Virginia Polytechnic Institute and State University, 1994.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.