Gaya APA

Maler, K. (1974). Environmental Economics A Theoretical Inquiry . London: Published for the future, Inc. by The Johns Unversity Press, Baltimore and London.

Gaya MLA

Maler, Karl-Goran. "Environmental Economics A Theoretical Inquiry". London: Published for the future, Inc. by The Johns Unversity Press, Baltimore and London, 1974. Text.