Dyfyniad APA

Grey , E. C. (1925). Practical chemistry by micro-methods. W. Heffer.

Dyfyniad Arddull Chicago

Grey , Egerton Charles. Practical Chemistry by Micro-methods. Cambridge: W. Heffer, 1925.

Dyfyniad MLA

Grey , Egerton Charles. Practical Chemistry by Micro-methods. W. Heffer, 1925.

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