Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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