Long, V. O., & Davies, J. W. (1996). Communication skills in helping relationships: A framework for fascilitating personal growth (2nd ed.). Prentice Hall.
Lua i Stíl Chicago (17ú heag.)Long, Vonda Olson, agus John W. Davies. Communication Skills in Helping Relationships: A Framework for Fascilitating Personal Growth. 2nd ed. Upper Saddle River, NJ: Prentice Hall, 1996.
Lua MLA (9ú heag.)Long, Vonda Olson, agus John W. Davies. Communication Skills in Helping Relationships: A Framework for Fascilitating Personal Growth. 2nd ed. Prentice Hall, 1996.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.