Cunningham, D. W. (2012). Logical introduction to proof. Springer.
Chicago Style aipamenaCunningham, Daniel W. Logical Introduction to Proof. New York: Springer, 2012.
MLA aipamenaCunningham, Daniel W. Logical Introduction to Proof. Springer, 2012.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.