Congressional Quarterly Inc. (1982). Powers of Congress (2nd ed.). Congressional Quarterly, Inc..
Dyfyniad Arddull ChicagoCongressional Quarterly Inc. Powers of Congress. 2nd ed. [Washington, D.C.]: Congressional Quarterly, Inc., 1982.
Dyfyniad MLACongressional Quarterly Inc. Powers of Congress. 2nd ed. Congressional Quarterly, Inc., 1982.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.