(1972). The Future is tomorrow: 17 prospective studies. Hague: Nijhoff.
シカゴスタイル引用形The Future Is Tomorrow: 17 Prospective Studies. Hague: Nijhoff, 1972.
MLA引用形式The Future Is Tomorrow: 17 Prospective Studies. Hague: Nijhoff, 1972.
警告: この引用は必ずしも正確ではありません.