Peninger, M. (1991). Coping with sudden infant death syndrome. Liguori Publications.
Lua i Stíl Chicago (17ú heag.)Peninger, Mary. Coping with Sudden Infant Death Syndrome. Liguori, Missouri: Liguori Publications, 1991.
Lua MLA (8ú heag.)Peninger, Mary. Coping with Sudden Infant Death Syndrome. Liguori Publications, 1991.
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