Dyfyniad APA

Doff, A., Smith, H., Thake, R., Brabben, C., & Lloyd, M. (2010). English unlimited: Pre-intermediate Teacher's Pack. B1. Cambridge University Press.

Dyfyniad Arddull Chicago

Doff, Adrian, Howard Smith, Rachel Thake, Cathy Brabben, and Mark Lloyd. English Unlimited: Pre-intermediate Teacher's Pack. B1. Cambridge University Press, 2010.

Dyfyniad MLA

Doff, Adrian, et al. English Unlimited: Pre-intermediate Teacher's Pack. B1. Cambridge University Press, 2010.

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