APA aipamena

Ferejohn, J. A. (1974). Pork barrel politics: Rivers and harbors legislation, 1947-1968. Stanford University Press.

Chicago Style aipamena

Ferejohn, John A. Pork Barrel Politics: Rivers and Harbors Legislation, 1947-1968. Stanford, Calif: Stanford University Press, 1974.

MLA aipamena

Ferejohn, John A. Pork Barrel Politics: Rivers and Harbors Legislation, 1947-1968. Stanford University Press, 1974.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.