Andersen, S. O. (2002). Protecting the ozone layer. London: Earthscan Publications Ltd.
Trích dẫn kiểu ChicagoAndersen, Stephen O. Protecting the Ozone Layer. London: Earthscan Publications Ltd, 2002.
Deismireacht MLAAndersen, Stephen O. Protecting the Ozone Layer. London: Earthscan Publications Ltd, 2002.
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