BROCK SUSAN. (2004). BETTER BUSINESS WRITING: TECHNIQUES FOR IMPROVING. VIVA BOOKS PVT.LTD.
Citazione stile Chigago Style (17a edizione)BROCK SUSAN. BETTER BUSINESS WRITING: TECHNIQUES FOR IMPROVING. NEW DELHI: VIVA BOOKS PVT.LTD, 2004.
Citatione MLA (9a ed.)BROCK SUSAN. BETTER BUSINESS WRITING: TECHNIQUES FOR IMPROVING. VIVA BOOKS PVT.LTD, 2004.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.