Não informado. (1991). Professional care mother & child. Professional, Managerial & Healthcare Publications.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Professional Care Mother & Child. London: Professional, Managerial & Healthcare Publications, 1991.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Professional Care Mother & Child. Professional, Managerial & Healthcare Publications, 1991.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.