Beth, E. W. (1962). Formal methods: An introduction to symbolic logic and to the study of effective operations in arithmetic and logic. D. Reidel.
Chicago-Zitierstil (17. Ausg.)Beth, Evert Willem. Formal Methods: An Introduction to Symbolic Logic and to the Study of Effective Operations in Arithmetic and Logic. Dordrecht: D. Reidel, 1962.
MLA-Zitierstil (9. Ausg.)Beth, Evert Willem. Formal Methods: An Introduction to Symbolic Logic and to the Study of Effective Operations in Arithmetic and Logic. D. Reidel, 1962.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.