Παραπομπή σε μορφή APA (7η εκδ.)
Σκορδάς, Κ., Skordas, K., & Wolters, R. (1999). Greece: Wetland conservation - problems and solutions. A paper presented at the European Conference "Globalisation, Ecology and Economy - Bridging Worlds". ECNC, GLOBUS and IUCN. Tilburg, The Netherlands.
Παραπομπή σε μορφή Chicago (17η εκδ.)
Σκορδάς, Κ, K. Skordas, και R. Wolters. Greece: Wetland Conservation - Problems and Solutions. A Paper Presented at the European Conference "Globalisation, Ecology and Economy - Bridging Worlds". ECNC, GLOBUS and IUCN. Tilburg, The Netherlands. 1999.
Παραπομπή σε μορφή MLA (9th εκδ.)
Σκορδάς, Κ, et al. Greece: Wetland Conservation - Problems and Solutions. A Paper Presented at the European Conference "Globalisation, Ecology and Economy - Bridging Worlds". ECNC, GLOBUS and IUCN. Tilburg, The Netherlands. 1999.
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