Harrigan, J. J. (1992). Politics and the American future (3rd ed.). McGraw-Hill.
Tohutoru Kātū Chicago (17th ed.)Harrigan, John J. Politics and the American Future. 3rd ed. New York: McGraw-Hill, 1992.
Tohutoro MLA (9th ed.)Harrigan, John J. Politics and the American Future. 3rd ed. McGraw-Hill, 1992.
Kia tūpato: Kāore pea ēnei kupu hautoa i te ōrite pū 100%.