Bentley, J. H., & Ziegler, H. F. (2000). Traditions & encounters: A global perspective on the past. Boston: McGraw Hill.
Chicago Style aipamenaBentley, Jerry H., và Herbert F. Ziegler. Traditions & Encounters: A Global Perspective On the Past. Boston: McGraw Hill, 2000.
MLA aipamenaBentley, Jerry H., và Herbert F. Ziegler. Traditions & Encounters: A Global Perspective On the Past. Boston: McGraw Hill, 2000.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.