SARKAR, A. . . N. (2010). Global climate change: Beyond Copenhagen. Pentagon Earth.
Chicago Style aipamenaSARKAR, A. N. Global Climate Change: Beyond Copenhagen. Pentagon Earth, 2010.
MLA aipamenaSARKAR, A. N. Global Climate Change: Beyond Copenhagen. Pentagon Earth, 2010.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.