APA (7th ed.) Zitazioa
Watts, D. (2010). Dictionary of American government and politics. Edinburgh University Press.
Chicago Style (17th ed.) Zitazioa
Watts, Duncan. Dictionary of American Government and Politics. Edinburgh: Edinburgh University Press, 2010.
MLA (9th ed.) Zitazioa
Watts, Duncan. Dictionary of American Government and Politics. Edinburgh University Press, 2010.
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