Dyfyniad APA

Voland, G., & Gerard Voland. (1999). Engineering by design. Reading, Mass: Addison-Wesley.

Dyfyniad Arddull Chicago

Voland, Gerard., và Gerard Voland. Engineering By Design. Reading, Mass: Addison-Wesley, 1999.

Dyfyniad MLA

Voland, Gerard., và Gerard Voland. Engineering By Design. Reading, Mass: Addison-Wesley, 1999.

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