Ozment, S. (1980). The age of reform 1250 - 1950. Yale University Press.
Cita Chicago (17th ed.)Ozment, Steven. The Age of Reform 1250 - 1950. Yale University Press, 1980.
Cita MLA (9th ed.)Ozment, Steven. The Age of Reform 1250 - 1950. Yale University Press, 1980.
Atenció: Aquestes cites poden no estar 100% correctes.