Ginsberg, B., & Shefter, M. (1990). Politics by other means: The declining importance of elections in America. Basic Books.
Lua i Stíl Chicago (17ú heag.)Ginsberg, Benjamin, agus Martin Shefter. Politics by Other Means: The Declining Importance of Elections in America. New York: Basic Books, 1990.
Lua MLA (9ú heag.)Ginsberg, Benjamin, agus Martin Shefter. Politics by Other Means: The Declining Importance of Elections in America. Basic Books, 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.