APA (7e ed.) Bronvermelding

Gordon, T. (2001). Leader effectiveness training, L.E.T: Proven skills for leading today's business into tomorrow. Berkley Pub. Group.

Chicago (17e ed.) Bronvermelding

Gordon, Thomas. Leader Effectiveness Training, L.E.T: Proven Skills for Leading Today's Business into Tomorrow. New York: Berkley Pub. Group, 2001.

MLA (9e ed.) Bronvermelding

Gordon, Thomas. Leader Effectiveness Training, L.E.T: Proven Skills for Leading Today's Business into Tomorrow. Berkley Pub. Group, 2001.