Singer, D. (1980). The correlates of war II: Testing some realpolotik models. The Free Press.
Chicago-čujuhus (17. p.)Singer, David. The Correlates of War II: Testing Some Realpolotik Models. The Free Press, 1980.
MLA-čujuhus (9. p.)Singer, David. The Correlates of War II: Testing Some Realpolotik Models. The Free Press, 1980.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.