Dyfyniad APA

Kim, J. H., Gibb, H. J., Howe, P., & Sheffer, M. (2006). Cobalt and inorganic cobalt compounds. World Health Organization.

Dyfyniad Arddull Chicago

Kim, James H., Herman J. Gibb, Paul Howe, and Marla Sheffer. Cobalt and Inorganic Cobalt Compounds. Geneva: World Health Organization, 2006.

Dyfyniad MLA

Kim, James H., et al. Cobalt and Inorganic Cobalt Compounds. World Health Organization, 2006.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.