APA-čujuhus (7. p.)
Snooks, G. D. (1998). The laws of history. Routledge.
Chicago-čujuhus (17. p.)
Snooks, G. D. The Laws of History. London ; New York: Routledge, 1998.
MLA-čujuhus (9. p.)
Snooks, G. D. The Laws of History. Routledge, 1998.
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