Παραπομπή σε μορφή APA (7η εκδ.)
European Centre for Nature Conservation (ECNC), Bouwma Irene, Butovsky R. O., & Jongman R. H. G. (2002). Indicative map of the Pan-European Ecological Network for central and eastern Europe: Technical background document. European Centre for Nature Conservation (ECNC).
Παραπομπή σε μορφή Chicago (17η εκδ.)
European Centre for Nature Conservation (ECNC), Bouwma Irene, Butovsky R. O., και Jongman R. H. G. Indicative Map of the Pan-European Ecological Network for Central and Eastern Europe: Technical Background Document. European Centre for Nature Conservation (ECNC), 2002.
Παραπομπή σε μορφή MLA (9th εκδ.)
European Centre for Nature Conservation (ECNC), et al. Indicative Map of the Pan-European Ecological Network for Central and Eastern Europe: Technical Background Document. European Centre for Nature Conservation (ECNC), 2002.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.