APA
                 (1938). Report of the committee of inquiry into problems relating to children with defective hearing. London, UK: His Majesty's Stationery Office.
                
                Chicago
                 1938. Report of the committee of inquiry into problems relating to children with defective hearing. London, UK: His Majesty's Stationery Office.
                
                Harvard
                 (1938). Report of the committee of inquiry into problems relating to children with defective hearing. London, UK: His Majesty's Stationery Office.
                
                MLA
                 Report of the committee of inquiry into problems relating to children with defective hearing. London, UK: His Majesty's Stationery Office. 1938.