Παραπομπή APA

Kohlenbach,, U. (2008). Applied Proof Theory: Proof Interpretations and their use in Mathematics (1.). Springer.

Παραπομπή Chicago Style

Kohlenbach,, Ulrich. Applied Proof Theory: Proof Interpretations and Their Use in Mathematics. 1. Berlin: Springer, 2008.

Παραπομπή MLA

Kohlenbach,, Ulrich. Applied Proof Theory: Proof Interpretations and Their Use in Mathematics. 1. Springer, 2008.