Citazione APA

Siebert, H. (1998). Economics of the environment theory ad policy (Ed.25.).

Stile di citazione Chicago

Siebert, Horst. Economics of the Environment Theory Ad Policy. Ed.25. Berlin, Springer, 1998.

Citazione MLA

Siebert, Horst. Economics of the Environment Theory Ad Policy. Ed.25. 1998.