BROWN L R. (2000). VITAL SIGNS 2000-2001: ENVIRONMENTAL TRENDS THAT ARE SHAPING OUR FUTURE. EARTHSCAN.
Chicago-čujuhus (17. p.)BROWN L R. VITAL SIGNS 2000-2001: ENVIRONMENTAL TRENDS THAT ARE SHAPING OUR FUTURE. LONDON: EARTHSCAN, 2000.
MLA-čujuhus (9. p.)BROWN L R. VITAL SIGNS 2000-2001: ENVIRONMENTAL TRENDS THAT ARE SHAPING OUR FUTURE. EARTHSCAN, 2000.
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