Dyfyniad APA

SMITH, W. F. Principles of materials science and engineering.-- 2nded. McGraw-Hill Publishing.

Dyfyniad Arddull Chicago

SMITH, William F. Principles of Materials Science and Engineering.-- 2nded. New York: McGraw-Hill Publishing.

Dyfyniad MLA

SMITH, William F. Principles of Materials Science and Engineering.-- 2nded. McGraw-Hill Publishing.

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