Παραπομπή σε μορφή APA (7η εκδ.)

Organisation for Economic Co-operation and Development Development Centre. (1992). Directory of non-governmental environment and development organisations in OECD member countries. OECD.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Organisation for Economic Co-operation and Development Development Centre. Directory of Non-governmental Environment and Development Organisations in OECD Member Countries. Paris: OECD, 1992.

Παραπομπή σε μορφή MLA (9th εκδ.)

Organisation for Economic Co-operation and Development Development Centre. Directory of Non-governmental Environment and Development Organisations in OECD Member Countries. OECD, 1992.