Buttino, F., & Buttino, L. (1993). A special agent: Gay and inside the FBI / Frank Buttino with Lou Buttino (1. Auflage.). Morrow.
Lua i Stíl Chicago (17ú heag.)Buttino, Frank, agus Lou Buttino. A Special Agent: Gay and Inside the FBI / Frank Buttino with Lou Buttino. 1. Auflage. New York: Morrow, 1993.
Lua MLA (8ú heag.)Buttino, Frank, agus Lou Buttino. A Special Agent: Gay and Inside the FBI / Frank Buttino with Lou Buttino. 1. Auflage. Morrow, 1993.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.