O'Connor, C. (1999). Business Health Check. Thorogood Publishing Ltd.
Cita Chicago Style (17a ed.)O'Connor, Carol. Business Health Check. Thorogood Publishing Ltd, 1999.
Cita MLA (8a ed.)O'Connor, Carol. Business Health Check. Thorogood Publishing Ltd, 1999.
Precaución: Estas citas no son 100% exactas.