Lua APA (7ú heag.)

Kotter, J. P. (2008). Sense of urgency (NA.). Harvard Business Press.

Lua i Stíl Chicago (17ú heag.)

Kotter, John P. Sense of Urgency. NA. USA: Harvard Business Press, 2008.

Lua MLA (9ú heag.)

Kotter, John P. Sense of Urgency. NA. Harvard Business Press, 2008.

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