Lua APA (7ú heag.)

Harrigan, J. J. (1992). Politics and the American future (3rd ed.). McGraw-Hill.

Lua i Stíl Chicago (17ú heag.)

Harrigan, John J. Politics and the American Future. 3rd ed. New York: McGraw-Hill, 1992.

Lua MLA (9ú heag.)

Harrigan, John J. Politics and the American Future. 3rd ed. McGraw-Hill, 1992.

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