Dyfyniad APA

Hultgren, R. (1973). Selected values of the thermodynamic properties of elements. American Society for Metals.

Dyfyniad Arddull Chicago

Hultgren, Ralph. Selected Values of the Thermodynamic Properties of Elements. Ohio: American Society for Metals, 1973.

Dyfyniad MLA

Hultgren, Ralph. Selected Values of the Thermodynamic Properties of Elements. American Society for Metals, 1973.

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