Pickering, J. M. (1971). Visual education in the primary school. Watson Cruptill.
Chicago Edition CitationPickering, John M. Visual Education in the Primary School. Watson Cruptill, 1971.
Cita MLAPickering, John M. Visual Education in the Primary School. Watson Cruptill, 1971.
Atenció: Aquestes cites poden no estar 100% correctes.