Cita APA

Egan, G., & Gerard Egan. (2007). Exercises in Helping Skills A Manual to Accompany Skilled Helper. [USA]: Broks/Cole Publishing Co.

Chicago Style Citation

Egan, Gerard, i Gerard Egan. Exercises in Helping Skills A Manual to Accompany Skilled Helper. [USA]: Broks/Cole Publishing Co, 2007.

Cita MLA

Egan, Gerard, i Gerard Egan. Exercises in Helping Skills A Manual to Accompany Skilled Helper. [USA]: Broks/Cole Publishing Co, 2007.