Lua APA (7ú heag.)
Cocchiarella, N. B., & Freund, M. A. (2008). Modal logic: An introduction to its syntax and semantics. Oxford University Press.
Lua i Stíl Chicago (17ú heag.)
Cocchiarella, Nino B., agus Max A. Freund. Modal Logic: An Introduction to Its Syntax and Semantics. Oxford ; New York: Oxford University Press, 2008.
Lua MLA (9ú heag.)
Cocchiarella, Nino B., agus Max A. Freund. Modal Logic: An Introduction to Its Syntax and Semantics. Oxford University Press, 2008.
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