APA način citiranja (7. izdanje)

Worldwatch Institute & Brown, L. R. (1990). State of the world 1990: A Worldwatch Institute report on progress toward a sustainable society. W. W. Norton and Company.

Čikaški stil citiranja (17. izdanje)

Worldwatch Institute i Lester Russell Brown. State of the World 1990: A Worldwatch Institute Report on Progress Toward a Sustainable Society. New York: W. W. Norton and Company, 1990.

MLA način citiranja (9. izdanje)

Worldwatch Institute i Lester Russell Brown. State of the World 1990: A Worldwatch Institute Report on Progress Toward a Sustainable Society. W. W. Norton and Company, 1990.

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