Lua APA (7ú heag.)

Brewster, L. G. (1987). The public agenda: Issues in American politics (Rev. 2nd ed.). St. Martin's.

Lua i Stíl Chicago (17ú heag.)

Brewster, Lawrence G. The Public Agenda: Issues in American Politics. Rev. 2nd ed. New York: St. Martin's, 1987.

Lua MLA (9ú heag.)

Brewster, Lawrence G. The Public Agenda: Issues in American Politics. Rev. 2nd ed. St. Martin's, 1987.

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