Harman, A. J. (1971). The international computer industry: Innovation and comparative advantage. Harvard University Press.
Chicago-referens (17:e uppl.)Harman, Alvin J. The International Computer Industry: Innovation and Comparative Advantage. Cambridge, Mass.: Harvard University Press, 1971.
MLA-referens (8:e uppl.)Harman, Alvin J. The International Computer Industry: Innovation and Comparative Advantage. Harvard University Press, 1971.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.