Mitra, D., & Sen Gupta, S. (1972). Nil durpan: Or, The indigo planting mirror. Indian Publications.
Lua i Stíl Chicago (17ú heag.)Mitra, Dinabandhu, agus Sankar Sen Gupta. Nil Durpan: Or, The Indigo Planting Mirror. Calcutta: Indian Publications, 1972.
Lua MLA (8ú heag.)Mitra, Dinabandhu, agus Sankar Sen Gupta. Nil Durpan: Or, The Indigo Planting Mirror. Indian Publications, 1972.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.