Lua APA (7ú heag.)

Benjamin, A. (1981). The helping in interview (3rd ed.). Houghton Mifflin Co..

Lua i Stíl Chicago (17ú heag.)

Benjamin, Alfred. The Helping in Interview. 3rd ed. Boston: Houghton Mifflin Co., 1981.

Lua MLA (9ú heag.)

Benjamin, Alfred. The Helping in Interview. 3rd ed. Houghton Mifflin Co., 1981.

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