National Society for the Study of Education (U.S.). Committee on International Understanding, Kandel, I. L., & Whipple, G. M. (1937). International understanding through the public-school curriculum. Public School Pub. Co..
Παραπομπή σε μορφή Chicago (17η εκδ.)National Society for the Study of Education (U.S.). Committee on International Understanding, I. L. Kandel, και Guy Montrose Whipple. International Understanding Through the Public-school Curriculum. Bloomington, Ill.: Public School Pub. Co., 1937.
Παραπομπή σε μορφή MLA (8th εκδ.)National Society for the Study of Education (U.S.). Committee on International Understanding, et al. International Understanding Through the Public-school Curriculum. Public School Pub. Co., 1937.
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