Obminskiĭ, E. E. (1989). Economic problems of developing countries. Sterling Publishers, ; Academic Publishers.
Lua i Stíl Chicago (17ú heag.)Obminskiĭ, Ėrnest Evgenʹevich. Economic Problems of Developing Countries. New Delhi : Dhaka: Sterling Publishers, ; Academic Publishers, 1989.
Lua MLA (8ú heag.)Obminskiĭ, Ėrnest Evgenʹevich. Economic Problems of Developing Countries. Sterling Publishers, ; Academic Publishers, 1989.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.