United Nations University. (1990). Global Environmental Change. Butterworth Heinemann.
Chicagoスタイル(17版)引用形式United Nations University. Global Environmental Change. Guildford, Inglaterra: Butterworth Heinemann, 1990.
MLA(8版)引用形式United Nations University. Global Environmental Change. Butterworth Heinemann, 1990.
警告: この引用は必ずしも正確ではありません.