Gregory, T. E., & Natu, W. R. (1939). The burden of the Indian tariff. Manager of Publications.
Lua i Stíl Chicago (17ú heag.)Gregory, T. E., agus W. R. Natu. The Burden of the Indian Tariff. Delhi: Manager of Publications, 1939.
Lua MLA (8ú heag.)Gregory, T. E., agus W. R. Natu. The Burden of the Indian Tariff. Manager of Publications, 1939.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.