Harpin, W. S. (1976). The second "R": Writing development in the junior school. Allen and Unwin.
Citación estilo ChicagoHarpin, William Sydney. The Second "R": Writing Development in the Junior School. London: Allen and Unwin, 1976.
Cita MLAHarpin, William Sydney. The Second "R": Writing Development in the Junior School. Allen and Unwin, 1976.
Warning: These citations may not always be 100% accurate.