Dyfyniad APA

SpringerLink (Online service), Darrah, T., Erel, Y., & Censi, P. (2013). Medical geochemistry: Geological materials and health. Springer Netherlands.

Dyfyniad Arddull Chicago

SpringerLink (Online service), Thomas Darrah, Yigal Erel, and Paolo Censi. Medical Geochemistry: Geological Materials and Health. Dordrecht: Springer Netherlands, 2013.

Dyfyniad MLA

SpringerLink (Online service), et al. Medical Geochemistry: Geological Materials and Health. Springer Netherlands, 2013.

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