Lemon, M. C. (2003). Philosophy of history: A guide for students. Routledge.
Chicago Style aipamenaLemon, M. C. Philosophy of History: A Guide for Students. London : New York: Routledge, 2003.
MLA aipamenaLemon, M. C. Philosophy of History: A Guide for Students. Routledge, 2003.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.