(1992). The world environment 1972-1992: Two decades of challenge. London: Chapman and Hall.
シカゴスタイル引用形The World Environment 1972-1992: Two Decades of Challenge. London: Chapman and Hall, 1992.
MLA引用形式The World Environment 1972-1992: Two Decades of Challenge. London: Chapman and Hall, 1992.
警告: この引用は必ずしも正確ではありません.