Gordon, N. J., & Fleisher, W. L. (2006). Effective interviewing and interrogation techniques (2nd ed.). Elsevier Academic Press.
Lua i Stíl Chicago (17ú heag.)Gordon, Nathan J., agus William L. Fleisher. Effective Interviewing and Interrogation Techniques. 2nd ed. Burlington, MA: Elsevier Academic Press, 2006.
Lua MLA (9ú heag.)Gordon, Nathan J., agus William L. Fleisher. Effective Interviewing and Interrogation Techniques. 2nd ed. Elsevier Academic Press, 2006.
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