Dyfyniad APA

Pahl, G., & Beitz, W. (1996). Engineering design: A systematic approach (2nd rev. ed.). Springer.

Dyfyniad Arddull Chicago

Pahl, G., and Wolfgang Beitz. Engineering Design: A Systematic Approach. 2nd rev. ed. London: Springer, 1996.

Dyfyniad MLA

Pahl, G., and Wolfgang Beitz. Engineering Design: A Systematic Approach. 2nd rev. ed. Springer, 1996.

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