APA (7e ed.) Bronvermelding

Dobson, A. (1996). Writing business letters: How to tackle your day-to-day business correspondence successfully (Deluxe ed.). Grolier International.

Chicago (17e ed.) Bronvermelding

Dobson, Ann. Writing Business Letters: How to Tackle Your Day-to-day Business Correspondence Successfully. Deluxe ed. Hongkong: Grolier International, 1996.

MLA (9e ed.) Bronvermelding

Dobson, Ann. Writing Business Letters: How to Tackle Your Day-to-day Business Correspondence Successfully. Deluxe ed. Grolier International, 1996.