Buttino, F., & Buttino, L. (1993). A special agent: Gay and inside the FBI / Frank Buttino with Lou Buttino (1. Auflage.). Morrow.
Čikaški stil citiranja (17. izdanje)Buttino, Frank, i Lou Buttino. A Special Agent: Gay and Inside the FBI / Frank Buttino with Lou Buttino. 1. Auflage. New York: Morrow, 1993.
MLA način citiranja (8. izdanje)Buttino, Frank, i Lou Buttino. A Special Agent: Gay and Inside the FBI / Frank Buttino with Lou Buttino. 1. Auflage. Morrow, 1993.
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