Não informado. (1991). Professional care mother & child. Professional, Managerial & Healthcare Publications.
Chicago Style (17. basım) AtıfNão informado. Professional Care Mother & Child. London: Professional, Managerial & Healthcare Publications, 1991.
MLA (8th ed.) AtıfNão informado. Professional Care Mother & Child. Professional, Managerial & Healthcare Publications, 1991.
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