Whitney, E. P. (2010). Blueprint for success in business. University Press of America.
Cita Chicago (17th ed.)Whitney, E. P. Blueprint for Success in Business. Lanham, MD: University Press of America, 2010.
Cita MLA (9th ed.)Whitney, E. P. Blueprint for Success in Business. University Press of America, 2010.
Atenció: Aquestes cites poden no estar 100% correctes.