Παραπομπή σε μορφή APA (7η εκδ.)
United Nations Environment Programme. (2002). International journal of environment and sustainable development. Published ... in the UK by Inderscience Enterprises Ltd. in conjunction with the UN Environment Programme.
Παραπομπή σε μορφή Chicago (17η εκδ.)
United Nations Environment Programme. International Journal of Environment and Sustainable Development. Milton Keynes: Published ... in the UK by Inderscience Enterprises Ltd. in conjunction with the UN Environment Programme, 2002.
Παραπομπή σε μορφή MLA (9th εκδ.)
United Nations Environment Programme. International Journal of Environment and Sustainable Development. Published ... in the UK by Inderscience Enterprises Ltd. in conjunction with the UN Environment Programme, 2002.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.