Lua APA (7ú heag.)
Egan, G. (1994). The skilled helper: A problem-management approach to helping (5th ed.). Brooks / Cole.
Lua i Stíl Chicago (17ú heag.)
Egan, Gerard. The Skilled Helper: A Problem-management Approach to Helping. 5th ed. California: Brooks / Cole, 1994.
Lua MLA (9ú heag.)
Egan, Gerard. The Skilled Helper: A Problem-management Approach to Helping. 5th ed. Brooks / Cole, 1994.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.