Janda, K., Berry, J., Goldman, J. The Challenge of Democracy. Boston etc.: Houghton Mifflin Company, 1989 822 p. il. 0-395-43292-8.
Janda, K., Berry, J., Goldman, J. The Challenge of Democracy. Boston etc.: Houghton Mifflin Company, 1989 822 p. il. 0-395-43292-8.
Janda, K., Berry, J., Goldman, J. (1989) The Challenge of Democracy, Boston etc.: Houghton Mifflin Company 822 p. il. 0-395-43292-8.
Janda, K., Berry, J., & Goldman, J. (1989). The Challenge of Democracy. Government in America. Boston etc.: Houghton Mifflin Company, 822 p. il.
Janda K, Berry J, Goldman J. The Challenge of Democracy: Government in America. Boston etc.: Houghton Mifflin Company; 1989. p. 822 p. il. ISBN: 0-395-43292-8.
