Cita APA (7th ed.)

Kotter, J. P. (2008). A Sense of Urgency. W. W Norton.

Cita Chicago (17th ed.)

Kotter, John P. A Sense of Urgency. London: W. W Norton, 2008.

Cita MLA (9th ed.)

Kotter, John P. A Sense of Urgency. W. W Norton, 2008.