Gaya APA

Ecosystem function and human activities : reconciling economics and ecology / edited by, R. David Simpson, Norman L. Christensen, Jr.. (1996). : New York : Chapman and Hall.

Gaya MLA

Ecosystem function and human activities : reconciling economics and ecology / edited by, R. David Simpson, Norman L. Christensen, Jr.. . : New York : Chapman and Hall, 1996. Text.