APA (7e ed.) Bronvermelding
Brown, L. R., & Starke, L. (1992). State of the World 1992: A Worldwatch Institute Report on Progress Toward a Sustainable Society.
Chicago (17e ed.) Bronvermelding
Brown, Lester R., en Linda Starke. State of the World 1992: A Worldwatch Institute Report on Progress Toward a Sustainable Society. 1992.
MLA (9e ed.) Bronvermelding
Brown, Lester R., en Linda Starke. State of the World 1992: A Worldwatch Institute Report on Progress Toward a Sustainable Society. 1992.
Let op: Deze citaties zijn niet altijd 100% accuraat.