HEATER, D., & BERRIDGE, R. (1992). Introduction to international politics. Harvester Wheatsheaf.
Chicago-čujuhus (17. p.)HEATER, Derek, juo R. BERRIDGE. Introduction to International Politics. New york: Harvester Wheatsheaf, 1992.
MLA-čujuhus (9. p.)HEATER, Derek, juo R. BERRIDGE. Introduction to International Politics. Harvester Wheatsheaf, 1992.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.