APA (7 ম সংস্করণ) উদ্ধৃতি

Worldwatch Institute & Brown, L. R. (1998). State of the world 1998: A Worldwatch Institute report on progress toward a sustainable society. Earthscan ; Norton & company.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Worldwatch Institute এবং Lester Russell Brown. State of the World 1998: A Worldwatch Institute Report on Progress Toward a Sustainable Society. London: Earthscan ; Norton & company, 1998.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

Worldwatch Institute এবং Lester Russell Brown. State of the World 1998: A Worldwatch Institute Report on Progress Toward a Sustainable Society. Earthscan ; Norton & company, 1998.