Art Therapy Online | Goldsmiths, University of London. Cambridge University Press.
Chicago Style (17th ed.) ZitazioaArt Therapy Online | Goldsmiths, University of London. Cambridge University Press.
MLA (9th ed.) ZitazioaArt Therapy Online | Goldsmiths, University of London. Cambridge University Press.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.