SCHOENWALD, R. L. (1965). Nineteenth century thought: The discovery of change. Prentice-Hall.
Chicago-čujuhus (17. p.)SCHOENWALD, Richard L. Nineteenth Century Thought: The Discovery of Change. Englewood Cliffs, N.J.: Prentice-Hall, 1965.
MLA-čujuhus (9. p.)SCHOENWALD, Richard L. Nineteenth Century Thought: The Discovery of Change. Prentice-Hall, 1965.
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