Blackburn, W. R. (2007). The sustainability handbook: The complete management guide to achieving social, economic and environmental responsibility. Earthscan.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিBlackburn, William R. The Sustainability Handbook: The Complete Management Guide to Achieving Social, Economic and Environmental Responsibility. London: Earthscan, 2007.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিBlackburn, William R. The Sustainability Handbook: The Complete Management Guide to Achieving Social, Economic and Environmental Responsibility. Earthscan, 2007.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.