APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (8. p.)

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