APA (7th ed.) Zitazioa

Bright, J. B. Economic development and productivity. S. Chand.

Chicago Style (17th ed.) Zitazioa

Bright, Jay B. Economic Development and Productivity. New Delhi: S. Chand.

MLA (9th ed.) Zitazioa

Bright, Jay B. Economic Development and Productivity. S. Chand.