(1987). Protecting the nations ground water from contamination. Scientific Publishers.
शिकागो स्टाइल उद्धरणProtecting the Nations Ground Water from Contamination. Jodhpur: Scientific Publishers, 1987.
एमएलए उद्धरणProtecting the Nations Ground Water from Contamination. Scientific Publishers, 1987.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.