DOBSON, A. (1999). Writing business letters: How to tackle your day-to-daybusiness correspondence successfully. Grolier International.
Lua i Stíl Chicago (17ú heag.)DOBSON, Ann. Writing Business Letters: How to Tackle Your Day-to-daybusiness Correspondence Successfully. Hongkong: Grolier International, 1999.
Lua MLA (9ú heag.)DOBSON, Ann. Writing Business Letters: How to Tackle Your Day-to-daybusiness Correspondence Successfully. Grolier International, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.