APA-referens (7:e uppl.)

Secondary Science Curriculum Review & Ditchfield, C. (1987). Better science: For young people with special educational needs. Heinemann.

Chicago-referens (17:e uppl.)

Secondary Science Curriculum Review och Christine Ditchfield. Better Science: For Young People with Special Educational Needs. London: Heinemann, 1987.

MLA-referens (9:e uppl.)

Secondary Science Curriculum Review och Christine Ditchfield. Better Science: For Young People with Special Educational Needs. Heinemann, 1987.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.