Não informado. (1997). Systems research and behavioral science. John Wiley & Sons.
Chicagoスタイル(17版)引用形式Não informado. Systems Research and Behavioral Science. Chichester, Inglaterra: John Wiley & Sons, 1997.
MLA(8版)引用形式Não informado. Systems Research and Behavioral Science. John Wiley & Sons, 1997.
警告: この引用は必ずしも正確ではありません.