Cita APA (7th ed.)
Cryan, D., Shatil, S., Mayblin, B., & Appignanesi, R. Introducing Logic. Icon Books.
Cita Chicago (17th ed.)
Cryan, Dan, Sharron Shatil, Bill Mayblin, i Richard Appignanesi. Introducing Logic. Cambridge, Inglaterra: Icon Books.
Cita MLA (9th ed.)
Cryan, Dan, et al. Introducing Logic. Icon Books.
Atenció: Aquestes cites poden no estar 100% correctes.