APA aipamena

Volk, T. (2008). CO2 rising: The world's greatest environmental challenge. Cambridge, Mass: MIT Press.

Chicago Style aipamena

Volk, Tyler. CO2 Rising: The World's Greatest Environmental Challenge. Cambridge, Mass: MIT Press, 2008.

MLA aipamena

Volk, Tyler. CO2 Rising: The World's Greatest Environmental Challenge. Cambridge, Mass: MIT Press, 2008.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.