Παραπομπή APA

Hintikka, J. (1996). Principles of Mathematics revisited. Cambridge University Press.

Παραπομπή Chicago Style

Hintikka, Jaakko. Principles of Mathematics Revisited. Cambridge: Cambridge University Press, 1996.

Παραπομπή MLA

Hintikka, Jaakko. Principles of Mathematics Revisited. Cambridge University Press, 1996.