Παραπομπή σε μορφή APA (7η εκδ.)
European Union. Commission, United Nations Economic Commission for Europe, Federal Research Centre for Forestry and Forest Products (BFH), European Union. Commission, & United Nations Economic Commission for Europe. (2000). Forest condition in Europe: Results of the 1999 crown condition survey. United Nations Economic Commission for Europe.
Παραπομπή σε μορφή Chicago (17η εκδ.)
European Union. Commission, United Nations Economic Commission for Europe, Federal Research Centre for Forestry and Forest Products (BFH), European Union. Commission, και United Nations Economic Commission for Europe. Forest Condition in Europe: Results of the 1999 Crown Condition Survey. United Nations Economic Commission for Europe, 2000.
Παραπομπή σε μορφή MLA (9th εκδ.)
European Union. Commission, et al. Forest Condition in Europe: Results of the 1999 Crown Condition Survey. United Nations Economic Commission for Europe, 2000.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.