Lua APA (7ú heag.)
Cohen, J. E. (2012). The president's legislative policy agenda, 1789-2002. Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)
Cohen, Jeffrey E. The President's Legislative Policy Agenda, 1789-2002. Cambridge ; New York: Cambridge University Press, 2012.
Lua MLA (9ú heag.)
Cohen, Jeffrey E. The President's Legislative Policy Agenda, 1789-2002. Cambridge University Press, 2012.
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