Torelle, E. (1951). Your child's growth, health and happiness; a biological primer for parents. Knopf.
Lua i Stíl Chicago (17ú heag.)Torelle, Ellen. Your Child's Growth, Health and Happiness; a Biological Primer for Parents. New York: Knopf, 1951.
Lua MLA (9ú heag.)Torelle, Ellen. Your Child's Growth, Health and Happiness; a Biological Primer for Parents. Knopf, 1951.
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