Kim, J. H., Gibb, H. J., Howe, P., & Sheffer, M. (2006). Cobalt and inorganic cobalt compounds. World Health Organization.
Čikaški stil citiranja (17. izdanje)Kim, James H., Herman J. Gibb, Paul Howe, i Marla Sheffer. Cobalt and Inorganic Cobalt Compounds. Geneva: World Health Organization, 2006.
MLA način citiranja (8. izdanje)Kim, James H., et al. Cobalt and Inorganic Cobalt Compounds. World Health Organization, 2006.
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