Lejk, M. (1998). An introduction to systems analysis techniques. London: Prentice-Hall.
シカゴスタイル引用形Lejk, Mark. An Introduction to Systems Analysis Techniques. London: Prentice-Hall, 1998.
MLA引用形式Lejk, Mark. An Introduction to Systems Analysis Techniques. London: Prentice-Hall, 1998.
警告: この引用は必ずしも正確ではありません.