Robertson, J. (2002). Business communication/J.L Robertson. Golden Books Centre.
Cita Chicago Style (17a ed.)Robertson, J.L. Business Communication/J.L Robertson. Golden Books Centre, 2002.
Cita MLA (8a ed.)Robertson, J.L. Business Communication/J.L Robertson. Golden Books Centre, 2002.
Precaución: Estas citas no son 100% exactas.