APA-čujuhus (7. p.)
Girle, R. (2009). Modal logics and philosophy (2nd ed.). Acumen.
Chicago-čujuhus (17. p.)
Girle, Rod. Modal Logics and Philosophy. 2nd ed. Durham: Acumen, 2009.
MLA-čujuhus (9. p.)
Girle, Rod. Modal Logics and Philosophy. 2nd ed. Acumen, 2009.
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