Dyfyniad APA

Jones, J. C. (1992). Design methods (2nd ed.). Van Nostrand Reinhold.

Dyfyniad Arddull Chicago

Jones, John Christopher. Design Methods. 2nd ed. New York: Van Nostrand Reinhold, 1992.

Dyfyniad MLA

Jones, John Christopher. Design Methods. 2nd ed. Van Nostrand Reinhold, 1992.

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