FREEDMAN, A. E., & FREEDMAN, P. (1975). The psychology of political control. St.Martin's press.
Lua i Stíl Chicago (17ú heag.)FREEDMAN, Anne E., agus P.E FREEDMAN. The Psychology of Political Control. New York: St.Martin's press, 1975.
Lua MLA (9ú heag.)FREEDMAN, Anne E., agus P.E FREEDMAN. The Psychology of Political Control. St.Martin's press, 1975.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.