Shively, W. P. (2011). Power and Choice: An introduction to political science twelfth edition. McGraw Hill.
Lua i Stíl Chicago (17ú heag.)Shively, W. Phillips. Power and Choice: An Introduction to Political Science Twelfth Edition. McGraw Hill, 2011.
Lua MLA (8ú heag.)Shively, W. Phillips. Power and Choice: An Introduction to Political Science Twelfth Edition. McGraw Hill, 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.