Não informado. (1972). Ambio: A journal of the human environment, research and management. Royal Swedish Academy of Sciences.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Ambio: A Journal of the Human Environment, Research and Management. Stockholm: Royal Swedish Academy of Sciences, 1972.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Ambio: A Journal of the Human Environment, Research and Management. Royal Swedish Academy of Sciences, 1972.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.