Bosticco, M. (1985). Instant business letters (2nd ed.). Gower.
Lua i Stíl Chicago (17ú heag.)Bosticco, Mary. Instant Business Letters. 2nd ed. Aldershot, Hants., Eng: Gower, 1985.
Lua MLA (9ú heag.)Bosticco, Mary. Instant Business Letters. 2nd ed. Gower, 1985.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.