APA (7e ed.) Bronvermelding

(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.

Chicago (17e ed.) Bronvermelding

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.

MLA (9e ed.) Bronvermelding

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.