Griffiths, D. . .., & Griffiths, A. M. . .. (1962). Understanding and enjoyment. Oxford University Press.
Chicago Edition CitationGriffiths, D ., i A M. Griffiths. Understanding and Enjoyment. London: Oxford University Press, 1962.
Cita MLAGriffiths, D ., i A M. Griffiths. Understanding and Enjoyment. Oxford University Press, 1962.
Atenció: Aquestes cites poden no estar 100% correctes.