Janda, K. (2012). The challenge of democracy: American government in global politics (Essentials Edition, Eigth Edition.). Wadsworth Cengage Learning.
Chicago-viite (17. p.)Janda, Kenneth. The Challenge of Democracy: American Government in Global Politics. Essentials Edition, Eigth Edition. Boston, MA: Wadsworth Cengage Learning, 2012.
MLA-viite (9. p.)Janda, Kenneth. The Challenge of Democracy: American Government in Global Politics. Essentials Edition, Eigth Edition. Wadsworth Cengage Learning, 2012.
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