APA (7th ed.) Zitazioa

(1992). Environmental problems: Prospects and constraints. Anmol Pub.

Chicago Style (17th ed.) Zitazioa

Environmental Problems: Prospects and Constraints. New Delhi: Anmol Pub, 1992.

MLA (9th ed.) Zitazioa

Environmental Problems: Prospects and Constraints. Anmol Pub, 1992.