APA

Egan G., McGourty R., . (2001). Exercises in helping skills for the skilled helper. Belmont, Calif; London: Wadsworth.

Chicago

Egan Gerard, McGourty Rich, . 2001. Exercises in helping skills for the skilled helper. Belmont, Calif; London: Wadsworth.

Harvard

Egan G., McGourty R., . (2001). Exercises in helping skills for the skilled helper. Belmont, Calif; London: Wadsworth.

MLA

Egan Gerard, McGourty Rich, . Exercises in helping skills for the skilled helper. Belmont, Calif; London: Wadsworth. 2001.