Howlett, M., & Laycock, D. H. (1994). The Puzzles of power: An introduction to political science. Copp Clark Longman.
Citace podle Chicago (17th ed.)Howlett, Michael, a David H. Laycock. The Puzzles of Power: An Introduction to Political Science. Toronto: Copp Clark Longman, 1994.
Citace podle MLA (9th ed.)Howlett, Michael, a David H. Laycock. The Puzzles of Power: An Introduction to Political Science. Copp Clark Longman, 1994.
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