Cita APA (7th ed.)
Hay, C. (2008). The theory of knowledge: A coursebook. Luttherworth Press.
Cita Chicago (17th ed.)
Hay, Clare. The Theory of Knowledge: A Coursebook. Cambridge, U.K.: Luttherworth Press, 2008.
Cita MLA (9th ed.)
Hay, Clare. The Theory of Knowledge: A Coursebook. Luttherworth Press, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.