Dyfyniad APA

Doan, G. E. (1953). Principles of Physical Metallurgy (3red ed.). McGraw-Hill.

Dyfyniad Arddull Chicago

Doan, Gilbert E. Principles of Physical Metallurgy. 3red ed. New York: McGraw-Hill, 1953.

Dyfyniad MLA

Doan, Gilbert E. Principles of Physical Metallurgy. 3red ed. McGraw-Hill, 1953.

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