Ginsberg, B., & Shefter, M. (1990). Politics by other means: The declining importance of elections in America. Basic Books.
Dyfyniad Arddull ChicagoGinsberg, Benjamin, and Martin Shefter. Politics by Other Means: The Declining Importance of Elections in America. New York: Basic Books, 1990.
Dyfyniad MLAGinsberg, Benjamin, and Martin Shefter. Politics by Other Means: The Declining Importance of Elections in America. Basic Books, 1990.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.