Wallbank. Civilization Past and Present (5th ed.). Cambridge / Routledge / Oxford.
Chicago-čujuhus (17. p.)Wallbank. Civilization Past and Present. 5th ed. London / New York: Cambridge / Routledge / Oxford.
MLA-čujuhus (9. p.)Wallbank. Civilization Past and Present. 5th ed. Cambridge / Routledge / Oxford.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.