Παραπομπή σε μορφή APA (7η εκδ.)

Leach, P. Babyhood: Infant development from birth to two years. Penguin Books.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Leach, Penelope. Babyhood: Infant Development from Birth to Two Years. Harmondsworth: Penguin Books.

Παραπομπή σε μορφή MLA (9th εκδ.)

Leach, Penelope. Babyhood: Infant Development from Birth to Two Years. Penguin Books.