APA (7 ম সংস্করণ) উদ্ধৃতি

Welford, R. (2000). Corporate environmental management 3: Towards sustainable development. Earthscan.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Welford, Richard. Corporate Environmental Management 3: Towards Sustainable Development. London: Earthscan, 2000.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Welford, Richard. Corporate Environmental Management 3: Towards Sustainable Development. Earthscan, 2000.