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Παραπομπή σε μορφή Chicago (17η εκδ.)Organisation for Economic Co-operation and Development. Sustainable Transport in Central and Eastern European Cities: Proceedings of the Workshop on Transport and Environment in Central and Eastern European Cities. Paris: Organisation for Economic Co-Operation and Development, 1996.
Παραπομπή σε μορφή MLA (8th εκδ.)Organisation for Economic Co-operation and Development. Sustainable Transport in Central and Eastern European Cities: Proceedings of the Workshop on Transport and Environment in Central and Eastern European Cities. Organisation for Economic Co-Operation and Development, 1996.
