.Ray, S. K. (1983). Economics of the Third World. Prentice-Hall of India.
Chicago Style (17th ed.) Zitazioa.Ray, S. K. Economics of the Third World. New Delhi: Prentice-Hall of India, 1983.
MLA (9th ed.) Zitazioa.Ray, S. K. Economics of the Third World. Prentice-Hall of India, 1983.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.