Spelman, B. J. (1979). Pupil adaptation to secondary school: A study of transition from primary to secondary education and subsequent patterns of adjustment among 3050 pupils who first entered secondary schools in September 1975. Northern Ireland Council for Educational Research.
Chicago-viite (17. p.)Spelman, B. J. Pupil Adaptation to Secondary School: A Study of Transition from Primary to Secondary Education and Subsequent Patterns of Adjustment Among 3050 Pupils Who First Entered Secondary Schools in September 1975. [Belfast] ([Research Unit, 52 Malone Rd., Belfast, BT9 5BS]): Northern Ireland Council for Educational Research, 1979.
MLA-viite (8. p.)Spelman, B. J. Pupil Adaptation to Secondary School: A Study of Transition from Primary to Secondary Education and Subsequent Patterns of Adjustment Among 3050 Pupils Who First Entered Secondary Schools in September 1975. Northern Ireland Council for Educational Research, 1979.