Czelakowski, J. (1980). Model-theoretic methods in methodology of propositional calculi. The Institute of Philosophy and Sociology of the Polish Academy of Sciences.
Chicago-Zitierstil (17. Ausg.)Czelakowski, Janusz. Model-theoretic Methods in Methodology of Propositional Calculi. Warszawa: The Institute of Philosophy and Sociology of the Polish Academy of Sciences, 1980.
MLA-Zitierstil (9. Ausg.)Czelakowski, Janusz. Model-theoretic Methods in Methodology of Propositional Calculi. The Institute of Philosophy and Sociology of the Polish Academy of Sciences, 1980.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.