Παραπομπή σε μορφή APA (7η εκδ.)

ENDA (Organization) & Organization for Economic Cooperation and Development. Development Centre. (1992). Directory of non-governmental environment and development organization in OECD member countries. OECD.

Παραπομπή σε μορφή Chicago (17η εκδ.)

ENDA (Organization) και Organization for Economic Cooperation and Development. Development Centre. Directory of Non-governmental Environment and Development Organization in OECD Member Countries. Paris: OECD, 1992.

Παραπομπή σε μορφή MLA (9th εκδ.)

ENDA (Organization) και Organization for Economic Cooperation and Development. Development Centre. Directory of Non-governmental Environment and Development Organization in OECD Member Countries. OECD, 1992.