APA (7e ed.) Bronvermelding

Coyle, A. F. (1997). Leadership: The ASTD trainer's sourcebook. McGraw-Hill.

Chicago (17e ed.) Bronvermelding

Coyle, Anne F. Leadership: The ASTD Trainer's Sourcebook. New York: McGraw-Hill, 1997.

MLA (9e ed.) Bronvermelding

Coyle, Anne F. Leadership: The ASTD Trainer's Sourcebook. McGraw-Hill, 1997.