Murck Barbara W., & Skinner Brian J. (1999). Geology Today Understanding Our Planet. American: John Wiley & Sons.
शिकागो स्टाइल उद्धरणMurck Barbara W., और Skinner Brian J. Geology Today Understanding Our Planet. American: John Wiley & Sons, 1999.
एमएलए उद्धरणMurck Barbara W., और Skinner Brian J. Geology Today Understanding Our Planet. American: John Wiley & Sons, 1999.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.