Cita APA (7th ed.)
Egan, G. (2014). The skilled helper: A client-centred approach. Cengage Learning.
Cita Chicago (17th ed.)
Egan, Gerard. The Skilled Helper: A Client-centred Approach. Andover, Hampshire.: Cengage Learning, 2014.
Cita MLA (9th ed.)
Egan, Gerard. The Skilled Helper: A Client-centred Approach. Cengage Learning, 2014.
Atenció: Aquestes cites poden no estar 100% correctes.