APA (7. basım) Alıntı
Brown, L. R. (1989). State of the world 1989: A worldwatch institute report on progress toward a sustainable society. W.W. Norton & Co..
Chicago Style (17. basım) Atıf
Brown, Lester R. State of the World 1989: A Worldwatch Institute Report on Progress Toward a Sustainable Society. New York: W.W. Norton & Co., 1989.
MLA (9th ed.) Atıf
Brown, Lester R. State of the World 1989: A Worldwatch Institute Report on Progress Toward a Sustainable Society. W.W. Norton & Co., 1989.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..