Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.