(1997). Young action for the future (2nd.ed.). UNEP.
Chicagoスタイル(17版)引用形式Young Action for the Future. 2nd.ed. Nairobi: UNEP, 1997.
MLA(9版)引用形式Young Action for the Future. 2nd.ed. UNEP, 1997.
警告: この引用は必ずしも正確ではありません.
(1997). Young action for the future (2nd.ed.). UNEP.
Chicagoスタイル(17版)引用形式Young Action for the Future. 2nd.ed. Nairobi: UNEP, 1997.
MLA(9版)引用形式Young Action for the Future. 2nd.ed. UNEP, 1997.