Siebert, H. (1998). Economics of the environment: Theory and policy (5th, rev. ed.). Springer.
芝加哥风格引文Siebert, Horst. Economics of the Environment: Theory and Policy. 5th, rev. ed. Berlin: Springer, 1998.
MLA引文Siebert, Horst. Economics of the Environment: Theory and Policy. 5th, rev. ed. Springer, 1998.
警告:这些引文格式不一定是100%准确.