Παραπομπή σε μορφή APA (7η εκδ.)
EURECO '99, Aristotle University of Thessaloniki. School of Biology. Department of Ecology, European Ecological Federation, Ένωση Ελλήνων Οικολόγων, & European Ecological Federation. (1999). The European dimension in ecology: Perspectives & challenges for the 21st Century. European Ecological Federation.
Παραπομπή σε μορφή Chicago (17η εκδ.)
EURECO '99, Aristotle University of Thessaloniki. School of Biology. Department of Ecology, European Ecological Federation, Ένωση Ελλήνων Οικολόγων, και European Ecological Federation. The European Dimension in Ecology: Perspectives & Challenges for the 21st Century. European Ecological Federation, 1999.
Παραπομπή σε μορφή MLA (9th εκδ.)
EURECO '99, et al. The European Dimension in Ecology: Perspectives & Challenges for the 21st Century. European Ecological Federation, 1999.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.