Halvorson, M. J. (2020). Code nation: Personal computing and the learn to program movement in America (First edition.). Association for Computing Machinery.
Chicago-viite (17. p.)Halvorson, Michael J. Code Nation: Personal Computing and the Learn to Program Movement in America. First edition. New York: Association for Computing Machinery, 2020.
MLA-viite (9. p.)Halvorson, Michael J. Code Nation: Personal Computing and the Learn to Program Movement in America. First edition. Association for Computing Machinery, 2020.
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