Langfors, B., & Stuart, A. V. G. (1986). Trends in information systems. North-Holland Publishing Company.
Dyfyniad Arddull ChicagoLangfors, B., and A Verrijin G.Bracchi Stuart. Trends in Information Systems. Amsterdam: North-Holland Publishing Company, 1986.
Dyfyniad MLALangfors, B., and A Verrijin G.Bracchi Stuart. Trends in Information Systems. North-Holland Publishing Company, 1986.
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