Kim, J. H., Gibb, H. J., Howe, P., & Sheffer, M. (2006). Cobalt and inorganic cobalt compounds. World Health Organization.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKim, James H., Herman J. Gibb, Paul Howe, और Marla Sheffer. Cobalt and Inorganic Cobalt Compounds. Geneva: World Health Organization, 2006.
एमएलए (8वां संस्करण) प्रशस्ति पत्रKim, James H., et al. Cobalt and Inorganic Cobalt Compounds. World Health Organization, 2006.
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