Pomper, G. M. (1992). Passions and Interests: Political Party Concepts of American Democracy. University Press of Kansas.
Lua i Stíl Chicago (17ú heag.)Pomper, Gerald M. Passions and Interests: Political Party Concepts of American Democracy. Lawrence, Kan.: University Press of Kansas, 1992.
Lua MLA (9ú heag.)Pomper, Gerald M. Passions and Interests: Political Party Concepts of American Democracy. University Press of Kansas, 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.