Janda, K., & Berry, J. M. &. G. (1992). The Challenge of democracy: Government America. Houghton Mifflin.
Chicago-čujuhus (17. p.)Janda, Kenneth, juo Jeffrey M. & Goldman Berry. The Challenge of Democracy: Government America. Boston: Houghton Mifflin, 1992.
MLA-čujuhus (9. p.)Janda, Kenneth, juo Jeffrey M. & Goldman Berry. The Challenge of Democracy: Government America. Houghton Mifflin, 1992.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.