Levinson, D. (1991). Encyclopedia of world cultures. G.K. Hall.
Chicago Style aipamenaLevinson, David. Encyclopedia of World Cultures. Boston, Mass.: G.K. Hall, 1991.
MLA aipamenaLevinson, David. Encyclopedia of World Cultures. G.K. Hall, 1991.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.