Kondratev, K. Y., & Cracknell, A. P. (1998). Observing global climate change. Taylor & Francis.
Lua i Stíl Chicago (17ú heag.)Kondratev, K. Ya., agus Arthur P. Cracknell. Observing Global Climate Change. London: Taylor & Francis, 1998.
Lua MLA (9ú heag.)Kondratev, K. Ya., agus Arthur P. Cracknell. Observing Global Climate Change. Taylor & Francis, 1998.
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