Perkinson, H. (1968). The imperfect Panacea: American faith in education 1865-1965. Random House.
Lua i Stíl Chicago (17ú heag.)Perkinson, Henry. The Imperfect Panacea: American Faith in Education 1865-1965. New York: Random House, 1968.
Lua MLA (9ú heag.)Perkinson, Henry. The Imperfect Panacea: American Faith in Education 1865-1965. Random House, 1968.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.