Παραπομπή σε μορφή APA (7η εκδ.)

Organisation for Economic Co-operation and Development. (1991). The state of the environment. Organisation for Economic Co-operation and Development.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Organisation for Economic Co-operation and Development. The State of the Environment. Paris: Organisation for Economic Co-operation and Development, 1991.

Παραπομπή σε μορφή MLA (9th εκδ.)

Organisation for Economic Co-operation and Development. The State of the Environment. Organisation for Economic Co-operation and Development, 1991.