Dyfyniad APA

David A. Madsen, & David A. Madsen; David P. Madsen; J. Lee Turpin. Engineering Drawing and Design. Clifton Park, NY: Delmar Thomson Learning.

Dyfyniad Arddull Chicago

David A. Madsen, và David A. Madsen; David P. Madsen; J. Lee Turpin. Engineering Drawing and Design. Clifton Park, NY: Delmar Thomson Learning.

Dyfyniad MLA

David A. Madsen, và David A. Madsen; David P. Madsen; J. Lee Turpin. Engineering Drawing and Design. Clifton Park, NY: Delmar Thomson Learning.

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