APA (7e ed.) Bronvermelding

O'Neil, W. (2005). Business leaders and success. Tata McGraw Hill.

Chicago (17e ed.) Bronvermelding

O'Neil, W. Business Leaders and Success. New Delhi: Tata McGraw Hill, 2005.

MLA (9e ed.) Bronvermelding

O'Neil, W. Business Leaders and Success. Tata McGraw Hill, 2005.