-. (1982). The Washington lobby. Congressional Quarterly.
Chicago-čujuhus (17. p.)-. The Washington Lobby. Washington: Congressional Quarterly, 1982.
MLA-čujuhus (9. p.)-. The Washington Lobby. Congressional Quarterly, 1982.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.