Keen, J. S. (1981). Managing systems development. J. Wiley.
Chicagoスタイル(17版)引用形式Keen, Jeffrey S. Managing Systems Development. Chichester [Eng.] New York: J. Wiley, 1981.
MLA(9版)引用形式Keen, Jeffrey S. Managing Systems Development. J. Wiley, 1981.
警告: この引用は必ずしも正確ではありません.