Dobson, A. (1995). How to write business letters: A practical introduction for everyone. How to Books Ltd.
Citazione stile Chigago Style (17a edizione)Dobson, Ann. How to Write Business Letters: A Practical Introduction for Everyone. Plymouth, U.K: How to Books Ltd, 1995.
Citatione MLA (9a ed.)Dobson, Ann. How to Write Business Letters: A Practical Introduction for Everyone. How to Books Ltd, 1995.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.