Παραπομπή σε μορφή APA (7η εκδ.)

Illingworth, R. S. (1981). Your child's development in the first five years. Churchill Livingstone.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Illingworth, Ronald S. Your Child's Development in the First Five Years. Edinburgh: Churchill Livingstone, 1981.

Παραπομπή σε μορφή MLA (8th εκδ.)

Illingworth, Ronald S. Your Child's Development in the First Five Years. Churchill Livingstone, 1981.