Pitt, S. G. L. F., & Boutroux, E. (1919). The purpose of education: An examination of the education problem in the light of recent psychological research. Cambridge University Press.
Παραπομπή σε μορφή Chicago (17η εκδ.)Pitt, St. George Lane Fox, και Emile Boutroux. The Purpose of Education: An Examination of the Education Problem in the Light of Recent Psychological Research. London: Cambridge University Press, 1919.
Παραπομπή σε μορφή MLA (8th εκδ.)Pitt, St. George Lane Fox, και Emile Boutroux. The Purpose of Education: An Examination of the Education Problem in the Light of Recent Psychological Research. Cambridge University Press, 1919.
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