Tohutoro APA (7th ed.)
Keir, M., & Gabriel, R. H. (1926). The Epic of Industry (ed.). New Haven, Yale University Press.
Tohutoru Kātū Chicago (17th ed.)
Keir, Malcolm, me Ralph Henry Gabriel. The Epic of Industry. ed. Toronto: New Haven, Yale University Press, 1926.
Tohutoro MLA (9th ed.)
Keir, Malcolm, me Ralph Henry Gabriel. The Epic of Industry. ed. New Haven, Yale University Press, 1926.
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