Spiegel, C. (2007). Designing and building fuel cells. New York: McGraw-Hill.
शिकागो स्टाइल उद्धरणSpiegel, Colleen. Designing and Building Fuel Cells. New York: McGraw-Hill, 2007.
एमएलए उद्धरणSpiegel, Colleen. Designing and Building Fuel Cells. New York: McGraw-Hill, 2007.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.