Siebert,Horst. (1998). Economics of the environment: Theory and policy (5.). Springer Verlag.
シカゴスタイル引用形Siebert,Horst. Economics of the Environment: Theory and Policy. 5. Berlin: Springer Verlag, 1998.
MLA引用形式Siebert,Horst. Economics of the Environment: Theory and Policy. 5. Springer Verlag, 1998.
警告: この引用は必ずしも正確ではありません.