Nagpal, T., & Foltz, C. (1995). Choosing our future: Visions of a sustainable world. [Washington D.C.]: WRI.
Lua i Stíl Chicago (17ú heag.)Nagpal, Tanvi, agus Camilla Foltz. Choosing Our Future: Visions of a Sustainable World. [Washington D.C.]: WRI, 1995.
Lua MLA (8ú heag.)Nagpal, Tanvi, agus Camilla Foltz. Choosing Our Future: Visions of a Sustainable World. [Washington D.C.]: WRI, 1995.
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