(1977). Remedial education: Programmes and progress ; reader / edited and introduced by Paul Widlake for the National Association for Remedial Education from the journal Remedial Education.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Remedial Education: Programmes and Progress ; Reader / Edited and Introduced by Paul Widlake for the National Association for Remedial Education from the Journal Remedial Education. 1977.
Trích dẫn kiểu MLA (xuất bản lần thứ 9)Remedial Education: Programmes and Progress ; Reader / Edited and Introduced by Paul Widlake for the National Association for Remedial Education from the Journal Remedial Education. 1977.
Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.