Buttino, F., & Buttino, L. (1993). A special agent: Gay and inside the FBI / Frank Buttino with Lou Buttino (1. Auflage.). Morrow.
Cita Chicago (17th ed.)Buttino, Frank, i Lou Buttino. A Special Agent: Gay and Inside the FBI / Frank Buttino with Lou Buttino. 1. Auflage. New York: Morrow, 1993.
Cita MLA (8th ed.)Buttino, Frank, i Lou Buttino. A Special Agent: Gay and Inside the FBI / Frank Buttino with Lou Buttino. 1. Auflage. Morrow, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.