Welch, W., Boulding, K., & Welch, K. S. (1981). The art of political thinking: Government and common sense. Littlefield, Adams.
Citace podle Chicago (17th ed.)Welch, William, Knneth Boulding, a Katharine S. Welch. The Art of Political Thinking: Government and Common Sense. Totowa, N.J: Littlefield, Adams, 1981.
Citace podle MLA (9th ed.)Welch, William, et al. The Art of Political Thinking: Government and Common Sense. Littlefield, Adams, 1981.
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