APA aipamena

Sen, J. (2004). World Social Forum: Challenging empires. Viveka Foundation.

Chicago Style aipamena

Sen, Jai. World Social Forum: Challenging Empires. New Delhi: Viveka Foundation, 2004.

MLA aipamena

Sen, Jai. World Social Forum: Challenging Empires. Viveka Foundation, 2004.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.