Παραπομπή σε μορφή APA (7η εκδ.)

Centre for Educational Research and Innovation CERI. (1995). Environmental learning for the 21st century. Organisation for Economic Co-operation and Development.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Centre for Educational Research and Innovation CERI. Environmental Learning for the 21st Century. Paris: Organisation for Economic Co-operation and Development, 1995.

Παραπομπή σε μορφή MLA (8th εκδ.)

Centre for Educational Research and Innovation CERI. Environmental Learning for the 21st Century. Organisation for Economic Co-operation and Development, 1995.