GORDEN, R. L. (1980). Interviewing: Strategy, techniques, and tactics. The Dorsey Press.
Lua i Stíl Chicago (17ú heag.)GORDEN, Raymond L. Interviewing: Strategy, Techniques, and Tactics. Illinois: The Dorsey Press, 1980.
Lua MLA (9ú heag.)GORDEN, Raymond L. Interviewing: Strategy, Techniques, and Tactics. The Dorsey Press, 1980.
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