Congressional Quarterly. (1991). How Congress Works (2.). Affiliated east - west Press.
Chicago-čujuhus (17. p.)Congressional Quarterly. How Congress Works. 2. New Delhi: Affiliated east - west Press, 1991.
MLA-čujuhus (9. p.)Congressional Quarterly. How Congress Works. 2. Affiliated east - west Press, 1991.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.