Παραπομπή σε μορφή APA (7η εκδ.)

Organisation for Economic Co-operation and Development. (1991). Environmental indicators: A preliminary set = Indicateurs d'environnement : une etude pilote. Organisation for Economic Co-Operation and Development.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Organisation for Economic Co-operation and Development. Environmental Indicators: A Preliminary Set = Indicateurs D'environnement : Une Etude Pilote. Paris: Organisation for Economic Co-Operation and Development, 1991.

Παραπομπή σε μορφή MLA (9th εκδ.)

Organisation for Economic Co-operation and Development. Environmental Indicators: A Preliminary Set = Indicateurs D'environnement : Une Etude Pilote. Organisation for Economic Co-Operation and Development, 1991.