Kail, R. V. (1998). Children and their development. Prentice Hall.
Citazione stile Chigago Style (17a edizione)Kail, Robert V. Children and Their Development. Upper Saddle River, N. J: Prentice Hall, 1998.
Citatione MLA (9a ed.)Kail, Robert V. Children and Their Development. Prentice Hall, 1998.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.