Dyfyniad APA

Harper, C. A. (2001). Handbook of materials for product design. New York: McGraw- Hill.

Dyfyniad Arddull Chicago

Harper, Charles A. Handbook of Materials for Product Design. New York: McGraw- Hill, 2001.

Dyfyniad MLA

Harper, Charles A. Handbook of Materials for Product Design. New York: McGraw- Hill, 2001.

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