United States. National Aeronautics and Space Administration, United Nations Environment Programme, World Bank, & Watson, R. T. (1998). Protecting our planet, securing our future: Linkages among global environmental issues and human needs. United Nations Environment Programme.
Չիկագոյի ոճի (17րդ խմբ.) մեջբերումUnited States. National Aeronautics and Space Administration, United Nations Environment Programme, World Bank, and Robert T. Watson. Protecting Our Planet, Securing Our Future: Linkages Among Global Environmental Issues and Human Needs. [Nairobi, Kenya?] : Washington, D.C. : U.S. National Aeronautics and Space Administration, and The World Bank: United Nations Environment Programme, 1998.
MLA (8րդ խմբ.) ՄեջբերումUnited States. National Aeronautics and Space Administration, et al. Protecting Our Planet, Securing Our Future: Linkages Among Global Environmental Issues and Human Needs. United Nations Environment Programme, 1998.