Heberle, R. (1951). Social movements: An introduction to political sociology. Appleton-Century-Crofts.
Citace podle Chicago (17th ed.)Heberle, Rudolf. Social Movements: An Introduction to Political Sociology. New York: Appleton-Century-Crofts, 1951.
Citace podle MLA (9th ed.)Heberle, Rudolf. Social Movements: An Introduction to Political Sociology. Appleton-Century-Crofts, 1951.
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