Lua APA (7ú heag.)

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.

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