APA-čujuhus (7. p.)
Brown, L. R., & Starke, L. (1990). State of the world 1990: A Worldwatch Institute Report on progress toward a sustainable society. W.W. Norton & Company, Inc..
Chicago-čujuhus (17. p.)
Brown, Lester R., juo Linda Starke. State of the World 1990: A Worldwatch Institute Report on Progress Toward a Sustainable Society. New York: W.W. Norton & Company, Inc., 1990.
MLA-čujuhus (9. p.)
Brown, Lester R., juo Linda Starke. State of the World 1990: A Worldwatch Institute Report on Progress Toward a Sustainable Society. W.W. Norton & Company, Inc., 1990.
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