Knapp, R. H. (1947). American regionalism and social education: A study of the implications of American regionalism for the social-studies programs in New England schools. Harvard University Press.
Chicago-viite (17. p.)Knapp, Royce Henderson. American Regionalism and Social Education: A Study of the Implications of American Regionalism for the Social-studies Programs in New England Schools. Cambridge, [Eng.]: Harvard University Press, 1947.
MLA-viite (9. p.)Knapp, Royce Henderson. American Regionalism and Social Education: A Study of the Implications of American Regionalism for the Social-studies Programs in New England Schools. Harvard University Press, 1947.
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