Dyfyniad APA
Campbell, G. M., & Dugger, J. (2002). Business letters for busy people: Time saving, ready-to-use letters for any occasion. Career Press.
Dyfyniad Arddull Chicago
Campbell, G. Michael, and Jim Dugger. Business Letters for Busy People: Time Saving, Ready-to-use Letters for Any Occasion. Franklin Lakes, NJ: Career Press, 2002.
Dyfyniad MLA
Campbell, G. Michael, and Jim Dugger. Business Letters for Busy People: Time Saving, Ready-to-use Letters for Any Occasion. Career Press, 2002.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.