Castle, E. B. (1972). Education for self help: New strategies for developing count. Oxford University Press.
Chicago Edition CitationCastle, E. B. Education for Self Help: New Strategies for Developing Count. London: Oxford University Press, 1972.
Cita MLACastle, E. B. Education for Self Help: New Strategies for Developing Count. Oxford University Press, 1972.
Atenció: Aquestes cites poden no estar 100% correctes.