Não informado. (2000). Impact Assessment and Project Appraisal. International Association for Impact Assessment.
Chicago-Zitierstil (17. Ausg.)Não informado. Impact Assessment and Project Appraisal. Guildford, Inglaterra: International Association for Impact Assessment, 2000.
MLA-Zitierstil (8. Ausg.)Não informado. Impact Assessment and Project Appraisal. International Association for Impact Assessment, 2000.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.