Kocurek, M. A. (1968). The caritas figure and the madonna lactans motif: A study of iconographical evolution with emphasis on the suckling child motif in fifteenth century florentine sculpture and the use of physical torsion in the body of the child.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Kocurek, Mary Ann. The Caritas Figure and the Madonna Lactans Motif: A Study of Iconographical Evolution with Emphasis on the Suckling Child Motif in Fifteenth Century Florentine Sculpture and the Use of Physical Torsion in the Body of the Child. Florence, Italy, 1968.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Kocurek, Mary Ann. The Caritas Figure and the Madonna Lactans Motif: A Study of Iconographical Evolution with Emphasis on the Suckling Child Motif in Fifteenth Century Florentine Sculpture and the Use of Physical Torsion in the Body of the Child. 1968.