Benjamin, J. R. (1994). A student's guide to history (6th ed.). St. Martin's.
Chicago Style (17th ed.) ZitazioaBenjamin, Jules R. A Student's Guide to History. 6th ed. New York: St. Martin's, 1994.
MLA (9th ed.) ZitazioaBenjamin, Jules R. A Student's Guide to History. 6th ed. St. Martin's, 1994.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.