Cita APA

European Computing Services Association, & International Data Corporation. (1985). Ninth annual survey of the computing services industry in Europe. Londres?: International Data Corporation.

Citación estilo Chicago

European Computing Services Association, and International Data Corporation. Ninth Annual Survey of the Computing Services Industry in Europe. Londres?: International Data Corporation, 1985.

Cita MLA

European Computing Services Association, and International Data Corporation. Ninth Annual Survey of the Computing Services Industry in Europe. Londres?: International Data Corporation, 1985.