281797 Grainger, A. (1982). Desertification: How people make deserts, how people can stop and why they don't. London : I I E D.
Chicago-referens (17:e uppl.)281797 Grainger, Alan. Desertification: How People Make Deserts, How People Can Stop and Why They Don't. London : I I E D, 1982.
MLA-referens (9:e uppl.)281797 Grainger, Alan. Desertification: How People Make Deserts, How People Can Stop and Why They Don't. London : I I E D, 1982.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.