Gesell, A., & Ilg, F. L. (1919). Child development: An introduction to the study of human growth. Harper & Row.
Chicago Edition CitationGesell, Arnold, i Frances L. Ilg. Child Development: An Introduction to the Study of Human Growth. New York: Harper & Row, 1919.
Cita MLAGesell, Arnold, i Frances L. Ilg. Child Development: An Introduction to the Study of Human Growth. Harper & Row, 1919.
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