Shively, W. P. (2003). Power Choice: An introduction to political science. Mc .Grow-Hill.
Lua i Stíl Chicago (17ú heag.)Shively, W. Phillips. Power Choice: An Introduction to Political Science. Mc .Grow-Hill, 2003.
Lua MLA (8ú heag.)Shively, W. Phillips. Power Choice: An Introduction to Political Science. Mc .Grow-Hill, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.