West Bengal Government of, D. o. E. (1997). Calcutta environmental management strategy and action plan - CEMSAP Appendix A: Strengthening institution and resources strategy. GOWB.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিWest Bengal Government of, Department of Environment. Calcutta Environmental Management Strategy and Action Plan - CEMSAP Appendix A: Strengthening Institution and Resources Strategy. GOWB, 1997.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিWest Bengal Government of, Department of Environment. Calcutta Environmental Management Strategy and Action Plan - CEMSAP Appendix A: Strengthening Institution and Resources Strategy. GOWB, 1997.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.