APA (7 ম সংস্করণ) উদ্ধৃতি

(1998). Valuing the global environment: Actions & investments for a 21st century. Global Environment Facility.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Valuing the Global Environment: Actions & Investments for a 21st Century. Washington, D.C.: Global Environment Facility, 1998.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

Valuing the Global Environment: Actions & Investments for a 21st Century. Global Environment Facility, 1998.