APA-viite (7. p.)
Parsons, C. (2014). Philosophy of mathematics in the twentieth century: Selected essays. Harvard University Press.
Chicago-viite (17. p.)
Parsons, Charles. Philosophy of Mathematics in the Twentieth Century: Selected Essays. Cambridge, Massachusetts ; London, England: Harvard University Press, 2014.
MLA-viite (9. p.)
Parsons, Charles. Philosophy of Mathematics in the Twentieth Century: Selected Essays. Harvard University Press, 2014.
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