Garrett, A. (1959). Interviewing: Its principles and methods. New York: Family Service Association of America.
Παραπομπή Chicago StyleGarrett, Annette. Interviewing: Its Principles and Methods. New York: Family Service Association of America, 1959.
Παραπομπή MLAGarrett, Annette. Interviewing: Its Principles and Methods. New York: Family Service Association of America, 1959.
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