Pierce, J. C. (1992). Citizens, political communication, and interest groups: Environmental organizations in Canada and the United States. Praeger.
Citace podle Chicago (17th ed.)Pierce, John C. Citizens, Political Communication, and Interest Groups: Environmental Organizations in Canada and the United States. Westport, Conn: Praeger, 1992.
Citace podle MLA (9th ed.)Pierce, John C. Citizens, Political Communication, and Interest Groups: Environmental Organizations in Canada and the United States. Praeger, 1992.
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