Seminar on National Capital Region Plan (Projected, not held), & Chaudhuri, D. B. R. (1975). Planning for a dynamic metropolitan region: Compendium of selected background papers prepared for Seminar on National Capital Region Plan. Punjab Haryana & Delhi Chamber of Commerce and Industry.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিSeminar on National Capital Region Plan (Projected, not held), এবং Dipak Basu Ray Chaudhuri. Planning for a Dynamic Metropolitan Region: Compendium of Selected Background Papers Prepared for Seminar on National Capital Region Plan. New Delhi: Punjab Haryana & Delhi Chamber of Commerce and Industry, 1975.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিSeminar on National Capital Region Plan (Projected, not held), এবং Dipak Basu Ray Chaudhuri. Planning for a Dynamic Metropolitan Region: Compendium of Selected Background Papers Prepared for Seminar on National Capital Region Plan. Punjab Haryana & Delhi Chamber of Commerce and Industry, 1975.