Lua APA (7ú heag.)
ebrary, Inc, Thurber, J. A., Nelson, C. J., & Dulio, D. A. (2000). Crowded airwaves: Campaign advertising in elections. Brookings Institution Press.
Lua i Stíl Chicago (17ú heag.)
ebrary, Inc, James A. Thurber, Candice J. Nelson, agus David A. Dulio. Crowded Airwaves: Campaign Advertising in Elections. Washington, D.C.: Brookings Institution Press, 2000.
Lua MLA (9ú heag.)
ebrary, Inc, et al. Crowded Airwaves: Campaign Advertising in Elections. Brookings Institution Press, 2000.
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