Leach, P. Babyhood: Infant development from birth to two years. Penguin Books.
Style de citation Chicago (17e éd.)Leach, Penelope. Babyhood: Infant Development from Birth to Two Years. Harmondsworth: Penguin Books.
Style de citation MLA (9e éd.)Leach, Penelope. Babyhood: Infant Development from Birth to Two Years. Penguin Books.
Attention : ces citations peuvent ne pas être correctes à 100%.