Kail, R. V. (1998). Children and their development. Prentice Hall.
Chicago Style (17th ed.) CitationKail, Robert V. Children and Their Development. Upper Saddle River, N.J: Prentice Hall, 1998.
MLA (9th ed.) CitationKail, Robert V. Children and Their Development. Prentice Hall, 1998.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.