Dyfyniad APA

Simmons, C. H., Maguire, D. E., & Phelps, N. I. M. (2009). Manual of engineering drawing (3rd ed.). Newnes/Elsevier. https://doi.org/10.1016/B978-0-7506-8985-4.X0001-0

Dyfyniad Arddull Chicago

Simmons, C. H., D. E. Maguire, and Neil IEng MIED Phelps. Manual of Engineering Drawing. 3rd ed. Amsterdam: Newnes/Elsevier, 2009. https://doi.org/10.1016/B978-0-7506-8985-4.X0001-0.

Dyfyniad MLA

Simmons, C. H., et al. Manual of Engineering Drawing. 3rd ed. Newnes/Elsevier, 2009. https://doi.org/10.1016/B978-0-7506-8985-4.X0001-0.

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