APA (7th ed.) Zitazioa

Powell. The Influence of Campaign Contributions in State Legislatures. University of Michigan Press.

Chicago Style (17th ed.) Zitazioa

Powell. The Influence of Campaign Contributions in State Legislatures. University of Michigan Press.

MLA (9th ed.) Zitazioa

Powell. The Influence of Campaign Contributions in State Legislatures. University of Michigan Press.

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