Dyfyniad APA

Johansen, B. E. (2007). Global warming in the 21st century. Atlantic publishers.

Dyfyniad Arddull Chicago

Johansen, Bruce E. Global Warming in the 21st Century. New Delhi: Atlantic publishers, 2007.

Dyfyniad MLA

Johansen, Bruce E. Global Warming in the 21st Century. Atlantic publishers, 2007.

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