de Groot, R. (1992). Functions of nature: Evaluation of nature in environmental planning, management and decision making. World Bank.
Chicago-Zitierstil (17. Ausg.)de Groot, R.S. Functions of Nature: Evaluation of Nature in Environmental Planning, Management and Decision Making. Wolters-Noordhoff: World Bank, 1992.
MLA-Zitierstil (9. Ausg.)de Groot, R.S. Functions of Nature: Evaluation of Nature in Environmental Planning, Management and Decision Making. World Bank, 1992.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.