Jeffrey, R. C. (1967). Formal logic: Its scope and limits. McGraw-Hill.
Chicago ZitierstilJeffrey, Richard C. Formal Logic: Its Scope and Limits. New York: McGraw-Hill, 1967.
MLA ZitierstilJeffrey, Richard C. Formal Logic: Its Scope and Limits. McGraw-Hill, 1967.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.