Tohutoro APA (7th ed.)
Sorokin, P. A. Social Philosophies of an Age of Crisis. A and C Black.
Tohutoru Kātū Chicago (17th ed.)
Sorokin, Pitirim A. Social Philosophies of an Age of Crisis. Londres, Inglaterra: A and C Black.
Tohutoro MLA (9th ed.)
Sorokin, Pitirim A. Social Philosophies of an Age of Crisis. A and C Black.
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