Das, K., & Visaria, L. (1998). Issues in rural sanitation: Lessons from Gujarat. Gujarat Institute of Development Research.
Lua i Stíl Chicago (17ú heag.)Das, Keshab, agus Leela Visaria. Issues in Rural Sanitation: Lessons from Gujarat. Ahmedabad: Gujarat Institute of Development Research, 1998.
Lua MLA (8ú heag.)Das, Keshab, agus Leela Visaria. Issues in Rural Sanitation: Lessons from Gujarat. Gujarat Institute of Development Research, 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.