Blatz, W. E., & Bott, H. M. (1930). The management of young children. W. Morrow & Company.
Lua i Stíl Chicago (17ú heag.)Blatz, William E., agus Helen McMurchie Bott. The Management of Young Children. New York: W. Morrow & Company, 1930.
Lua MLA (8ú heag.)Blatz, William E., agus Helen McMurchie Bott. The Management of Young Children. W. Morrow & Company, 1930.
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