Vaughan, C. (1993). The Global Forum: Power of the People in Rio de Janeiro ECO'92.
Čikaški stil citiranjaVaughan, Christopher. The Global Forum: Power of the People in Rio De Janeiro ECO'92. 1993.
MLA način citiranjaVaughan, Christopher. The Global Forum: Power of the People in Rio De Janeiro ECO'92. 1993.
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