Dyfyniad APA

Goff, P., Lewis, G., & Crozier, G. (2001). Test your e-skills. Hodder & Stoughton.

Dyfyniad Arddull Chicago

Goff, Philip, Gsreth Lewis, and Gene Crozier. Test Your E-skills. London: Hodder & Stoughton, 2001.

Dyfyniad MLA

Goff, Philip, et al. Test Your E-skills. Hodder & Stoughton, 2001.

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