APA (7e ed.) Bronvermelding

Lundin, W. (2009). Working with difficult people (2nd ed.). American Management Association.

Chicago (17e ed.) Bronvermelding

Lundin, W. Working with Difficult People. 2nd ed. New York: American Management Association, 2009.

MLA (9e ed.) Bronvermelding

Lundin, W. Working with Difficult People. 2nd ed. American Management Association, 2009.