Janda, K., Berry, J., Goldman, J. The Challenge of Democracy. Boston etc.: Houghton Mifflin Company, 1997 807 p. il. 0-395-83393-0.
Janda, K., Berry, J., Goldman, J. The Challenge of Democracy. Boston etc.: Houghton Mifflin Company, 1997 807 p. il. 0-395-83393-0.
Janda, K., Berry, J., Goldman, J. (1997) The Challenge of Democracy, Boston etc.: Houghton Mifflin Company 807 p. il. 0-395-83393-0.
Janda, K., Berry, J., & Goldman, J. (1997). The Challenge of Democracy. Government in America. Boston etc.: Houghton Mifflin Company, 807 p. il.
Janda K, Berry J, Goldman J. The Challenge of Democracy: Government in America. Boston etc.: Houghton Mifflin Company; 1997. p. 807 p. il. ISBN: 0-395-83393-0.
