Citazione Stile APA (7a Edizione)
Campbell, G. M., & Dugger, J. (2002). Business letters for busy people: Time saving, ready-to-use letters for any occasion. Career Press.
Citazione stile Chigago Style (17a edizione)
Campbell, G. Michael, e Jim Dugger. Business Letters for Busy People: Time Saving, Ready-to-use Letters for Any Occasion. Franklin Lakes, NJ: Career Press, 2002.
Citatione MLA (9a ed.)
Campbell, G. Michael, e Jim Dugger. Business Letters for Busy People: Time Saving, Ready-to-use Letters for Any Occasion. Career Press, 2002.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.