Ryan, D. L. (1994). Computer-aided graphics and design (3rd ed., rev. and expanded.). Marcel Dekker.
Cita Chicago Style (17a ed.)Ryan, Daniel L. Computer-aided Graphics and Design. 3rd ed., rev. and expanded. New York: Marcel Dekker, 1994.
Cita MLA (9a ed.)Ryan, Daniel L. Computer-aided Graphics and Design. 3rd ed., rev. and expanded. Marcel Dekker, 1994.
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