Gabbay, D. M. (1994). What is a logical system? Claredon Press.
Chicago Style (17th ed.) CitationGabbay, Dov M. What Is a Logical System? Oxford: Claredon Press, 1994.
MLA (9th ed.) CitationGabbay, Dov M. What Is a Logical System? Claredon Press, 1994.
Warning: These citations may not always be 100% accurate.