APA (7e ed.) Bronvermelding

Egan, G. (2010). Exercises in helping skills: A manual to accompany The skilled helper, a problem-management and opportunity-development approach to helping, ninth edition. Brooks/Cole.

Chicago (17e ed.) Bronvermelding

Egan, Gerard. Exercises in Helping Skills: A Manual to Accompany The Skilled Helper, a Problem-management and Opportunity-development Approach to Helping, Ninth Edition. Belmont, Calif.: Brooks/Cole, 2010.

MLA (9e ed.) Bronvermelding

Egan, Gerard. Exercises in Helping Skills: A Manual to Accompany The Skilled Helper, a Problem-management and Opportunity-development Approach to Helping, Ninth Edition. Brooks/Cole, 2010.