Tohutoro APA (7th ed.)
Roepke, W., Campbell, W. F., & Kirk, R. The Social Crisis of Our Time. Transaction.
Tohutoru Kātū Chicago (17th ed.)
Roepke, Wilhelm, William F. Campbell, me Russell Kirk. The Social Crisis of Our Time. New Brunswick, EUA: Transaction.
Tohutoro MLA (9th ed.)
Roepke, Wilhelm, et al. The Social Crisis of Our Time. Transaction.
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