BACKER, A. (1973). The study of politics: The Western tradition. McGraw-Hill.
Chicago-čujuhus (17. p.)BACKER, Andrew. The Study of Politics: The Western Tradition. New York: McGraw-Hill, 1973.
MLA-čujuhus (9. p.)BACKER, Andrew. The Study of Politics: The Western Tradition. McGraw-Hill, 1973.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.