(1977). The Delphi Method: Techniques and applications. Addison-wesley.
Chicagoスタイル(17版)引用形式The Delphi Method: Techniques and Applications. London: Addison-wesley, 1977.
MLA(9版)引用形式The Delphi Method: Techniques and Applications. Addison-wesley, 1977.
警告: この引用は必ずしも正確ではありません.