APA stil citiranja

Smullyan, R. (1961). Theory of formal systems: Theory of formal systems. Princeton: Princeton University Press.

Chicago stil citiranja

Smullyan, R.M. Theory of formal systems: Theory of formal systems. Princeton: Princeton University Press, 1961.

MLA stil citiranja

Smullyan, R.M. Theory of formal systems: Theory of formal systems. Princeton: Princeton University Press, 1961.

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