Overstreet, H. A., & Overstreet, B. (1964). The strange tactics of extremism. Norton.
Lua i Stíl Chicago (17ú heag.)Overstreet, Harry Allen, agus Bonaro Overstreet. The Strange Tactics of Extremism. New York: Norton, 1964.
Lua MLA (9ú heag.)Overstreet, Harry Allen, agus Bonaro Overstreet. The Strange Tactics of Extremism. Norton, 1964.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.