APA (7 वां संस्करण) प्रशस्ति पत्र

Margolis Nancy, Brindle Ross, & U.S. Department of Energy. Energy and environmental profile of the U.S. iron and steel industry.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Margolis Nancy, Brindle Ross, और U.S. Department of Energy. Energy and Environmental Profile of the U.S. Iron and Steel Industry.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Margolis Nancy, et al. Energy and Environmental Profile of the U.S. Iron and Steel Industry.

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