Mansell, T. (1982). How to write business letters and reports (Repr. with amendments.). Pitman Australia.
Cita Chicago (17th ed.)Mansell, Thelma. How to Write Business Letters and Reports. Repr. with amendments. Carlton, Vic.: Pitman Australia, 1982.
Cita MLA (8th ed.)Mansell, Thelma. How to Write Business Letters and Reports. Repr. with amendments. Pitman Australia, 1982.
Atenció: Aquestes cites poden no estar 100% correctes.