European Computing Services Association, & International Data Corporation. (1985). Ninth annual survey of the computing services industry in Europe. Londres?: International Data Corporation.
Chicago Style CitationEuropean Computing Services Association, and International Data Corporation. Ninth Annual Survey of the Computing Services Industry in Europe. Londres?: International Data Corporation, 1985.
MLA CitationEuropean Computing Services Association, and International Data Corporation. Ninth Annual Survey of the Computing Services Industry in Europe. Londres?: International Data Corporation, 1985.
Warning: These citations may not always be 100% accurate.