Hedman, S. (2006). A first course in logic: An introduction to model theory, proof theory, computability, and complexity. Oxford: Oxford University Press.
Παραπομπή Chicago StyleHedman, Shawn. A First Course in Logic: An Introduction to Model Theory, Proof Theory, Computability, and Complexity. Oxford: Oxford University Press, 2006.
Παραπομπή MLAHedman, Shawn. A First Course in Logic: An Introduction to Model Theory, Proof Theory, Computability, and Complexity. Oxford: Oxford University Press, 2006.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.