APA-viite (7. p.)

Worldwatch Institute & Brown, L. R. (1987). State of the world 1987: A Worldwatch Institute report on progress toward a sustainable society. W. W. Norton and Company.

Chicago-viite (17. p.)

Worldwatch Institute ja Lester Russell Brown. State of the World 1987: A Worldwatch Institute Report on Progress Toward a Sustainable Society. New York: W. W. Norton and Company, 1987.

MLA-viite (9. p.)

Worldwatch Institute ja Lester Russell Brown. State of the World 1987: A Worldwatch Institute Report on Progress Toward a Sustainable Society. W. W. Norton and Company, 1987.

Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.