Dyfyniad APA

Askeland, D. R. (1990). Science and engineering of materials (Ed.2.). Chapman and Hall.

Dyfyniad Arddull Chicago

Askeland, Donald R. Science and Engineering of Materials. Ed.2. London: Chapman and Hall, 1990.

Dyfyniad MLA

Askeland, Donald R. Science and Engineering of Materials. Ed.2. Chapman and Hall, 1990.

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