Tichy, N. M. (2007). Judgment (5th.). Pearson Education Limited.
Cita Chicago (17th ed.)Tichy, Noel M. Judgment. 5th. New Delhi: Pearson Education Limited, 2007.
Cita MLA (9th ed.)Tichy, Noel M. Judgment. 5th. Pearson Education Limited, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.