Παραπομπή σε μορφή APA (7η εκδ.)

Pumfrey, P. D., & Elliott, C. D. (1990). Children's difficulties in reading, spelling and writing: Challenges and responses. The Falmer Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Pumfrey, Peter D., και Colin D. Elliott. Children's Difficulties in Reading, Spelling and Writing: Challenges and Responses. London: The Falmer Press, 1990.

Παραπομπή σε μορφή MLA (9th εκδ.)

Pumfrey, Peter D., και Colin D. Elliott. Children's Difficulties in Reading, Spelling and Writing: Challenges and Responses. The Falmer Press, 1990.