Andrew , R., & Jackson, J. M. (1998). Environmental science: The natural environment and human impact. Longman.
शिकागो स्टाइल उद्धरणAndrew , R.W, और Julie M. Jackson. Environmental Science: The Natural Environment and Human Impact. London: Longman, 1998.
एमएलए उद्धरणAndrew , R.W, और Julie M. Jackson. Environmental Science: The Natural Environment and Human Impact. Longman, 1998.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.