APA-čujuhus (7. p.)
Frede, M., & Long, A. A. (2011). A free will: Origins of the notion in ancient thought. University of California Press.
Chicago-čujuhus (17. p.)
Frede, Michael, juo A. A. Long. A Free Will: Origins of the Notion in Ancient Thought. Berkeley: University of California Press, 2011.
MLA-čujuhus (9. p.)
Frede, Michael, juo A. A. Long. A Free Will: Origins of the Notion in Ancient Thought. University of California Press, 2011.
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