Wendzel, R. L. (1981). International politics: Policymakers and policymaking. John Wiley.
Chicago-čujuhus (17. p.)Wendzel, Robert L. International Politics: Policymakers and Policymaking. New York: John Wiley, 1981.
MLA-čujuhus (9. p.)Wendzel, Robert L. International Politics: Policymakers and Policymaking. John Wiley, 1981.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.