Παραπομπή APA
Benito, J. M. d., & European Environment Agency. (1999). Nature conservation: Annual topic update 1998. Luxembourg: Office for Official Publications of the European Communities.
Παραπομπή Chicago StyleBenito, Juan Manuel de., and European Environment Agency. Nature Conservation: Annual Topic Update 1998. Luxembourg: Office for Official Publications of the European Communities, 1999.
Παραπομπή MLABenito, Juan Manuel de., and European Environment Agency. Nature Conservation: Annual Topic Update 1998. Luxembourg: Office for Official Publications of the European Communities, 1999.
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