Dyfyniad APA

Smith, I. C., & Carson, B. L. (1981). Cobalt, an appraisal of environmental exposure. AnnArbor Science.

Dyfyniad Arddull Chicago

Smith, Ivan C., and Bonnie L. Carson. Cobalt, an Appraisal of Environmental Exposure. Michigan: AnnArbor Science, 1981.

Dyfyniad MLA

Smith, Ivan C., and Bonnie L. Carson. Cobalt, an Appraisal of Environmental Exposure. AnnArbor Science, 1981.

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