Brown, L. R., Wolf, E. C., & Starke, L. (1986). State of the world 1986: A worldwatch institute report on progress toward a sustainable society. W.W.Norton.
Chicago-viite (17. p.)Brown, Lester R., Edward C. Wolf, ja Linda Starke. State of the World 1986: A Worldwatch Institute Report on Progress Toward a Sustainable Society. New York: W.W.Norton, 1986.
MLA-viite (9. p.)Brown, Lester R., et al. State of the World 1986: A Worldwatch Institute Report on Progress Toward a Sustainable Society. W.W.Norton, 1986.
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