(1972). A Guide to graduate study in political science.
Chicago-čujuhus (17. p.)A Guide to Graduate Study in Political Science. 1972.
MLA-čujuhus (9. p.)A Guide to Graduate Study in Political Science. 1972.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.