Dyfyniad APA

(1991). Biological Trace Element Research Multidisiplinnery Perspectives. American Chemical Society.

Dyfyniad Arddull Chicago

Biological Trace Element Research Multidisiplinnery Perspectives. American Chemical Society, 1991.

Dyfyniad MLA

Biological Trace Element Research Multidisiplinnery Perspectives. American Chemical Society, 1991.

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