Παραπομπή APA

Lilley, R. (2006). Dealing with difficult people. Kogan pages.

Παραπομπή Chicago Style

Lilley, Roy. Dealing with Difficult People. New Delhi: Kogan pages, 2006.

Παραπομπή MLA

Lilley, Roy. Dealing with Difficult People. Kogan pages, 2006.