APA aipamena

Vishnoo Bhagwan & Vidya Bhushan. (1987). World constitutions. Sterling.

Chicago Style aipamena

Vishnoo Bhagwan and Vidya Bhushan. World Constitutions. New Delhi: Sterling, 1987.

MLA aipamena

Vishnoo Bhagwan and Vidya Bhushan. World Constitutions. Sterling, 1987.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.