Perkinson, H. (1968). The imperfect Panacea: American faith in education 1865-1965. Random House.
Dyfyniad Arddull ChicagoPerkinson, Henry. The Imperfect Panacea: American Faith in Education 1865-1965. New York: Random House, 1968.
Dyfyniad MLAPerkinson, Henry. The Imperfect Panacea: American Faith in Education 1865-1965. Random House, 1968.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.