Παραπομπή APA

Smullyan, R. M. (1996). Diagonalization and self-reference. Clarendon Press.

Παραπομπή Chicago Style

Smullyan, Raymond M. Diagonalization and Self-reference. Oxford: Clarendon Press, 1996.

Παραπομπή MLA

Smullyan, Raymond M. Diagonalization and Self-reference. Clarendon Press, 1996.