APA-referens (7:e uppl.)

Basson, A. H., & O'Connor, D. J. (1993). Introduction to Symbolic Logic: Introduction to Symbolic Logic (Reprint.). Oxford University Press.

Chicago-referens (17:e uppl.)

Basson, A. H., och D. J. O'Connor. Introduction to Symbolic Logic: Introduction to Symbolic Logic. Reprint. New Delhi: Oxford University Press, 1993.

MLA-referens (9:e uppl.)

Basson, A. H., och D. J. O'Connor. Introduction to Symbolic Logic: Introduction to Symbolic Logic. Reprint. Oxford University Press, 1993.