Cita APA (7th ed.)
Robinson, D., & Groves, J. Introducing Philosophy: A Graphic Guide. Icon Books.
Cita Chicago (17th ed.)
Robinson, Dave, i Judy Groves. Introducing Philosophy: A Graphic Guide. Cambridge, Inglaterra: Icon Books.
Cita MLA (9th ed.)
Robinson, Dave, i Judy Groves. Introducing Philosophy: A Graphic Guide. Icon Books.
Atenció: Aquestes cites poden no estar 100% correctes.