SHIVELY, W. P. (1991). Power And Choice An Introduction To Political Science W. Philips Shively. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)SHIVELY, W. Philips. Power And Choice An Introduction To Political Science W. Philips Shively. McGraw-Hill, 1991.
Lua MLA (8ú heag.)SHIVELY, W. Philips. Power And Choice An Introduction To Political Science W. Philips Shively. McGraw-Hill, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.