Dyfyniad APA

Allen, S. M. (1999). The structure of materials. New York: John Wiley and Sons.

Dyfyniad Arddull Chicago

Allen, Samuel M. The Structure of Materials. New York: John Wiley and Sons, 1999.

Dyfyniad MLA

Allen, Samuel M. The Structure of Materials. New York: John Wiley and Sons, 1999.

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