Leach, P. Babyhood: Infant development from birth to two years. Penguin Books.
Citace podle Chicago (17th ed.)Leach, Penelope. Babyhood: Infant Development from Birth to Two Years. Harmondsworth: Penguin Books.
Citace podle MLA (9th ed.)Leach, Penelope. Babyhood: Infant Development from Birth to Two Years. Penguin Books.
Upozornění: Tyto citace jsou generovány automaticky. Nemusí být zcela správně podle citačních pravidel..