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शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रebrary, Inc, R. Q. Honaker, और W. R. Forrest. Advances in Gravity Concentration. Littleton, Colo.: Society for Mining, Metallurgy, and Exploration, 2003.
एमएलए (9वां संस्करण) प्रशस्ति पत्रebrary, Inc, et al. Advances in Gravity Concentration. Society for Mining, Metallurgy, and Exploration, 2003.
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