Rump, P. C. (1996). State of the environment reporting: Source book of methods and approaches. Division of Environment Information and Assessment, United Nations Environment Programme.
Chicago-Zitierstil (17. Ausg.)Rump, Paul C. State of the Environment Reporting: Source Book of Methods and Approaches. Nairobi, Kenya: Division of Environment Information and Assessment, United Nations Environment Programme, 1996.
MLA-Zitierstil (9. Ausg.)Rump, Paul C. State of the Environment Reporting: Source Book of Methods and Approaches. Division of Environment Information and Assessment, United Nations Environment Programme, 1996.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.