(1977). Desertification: Its causes and consequences ; Conference on Desertification Nairobi, Kenya, 29 August to 9 September, 1977. Pergamon Press.
Chicago-Zitierstil (17. Ausg.)Desertification: Its Causes and Consequences ; Conference on Desertification Nairobi, Kenya, 29 August to 9 September, 1977. Oxford [u.a.]: Pergamon Press, 1977.
MLA-Zitierstil (9. Ausg.)Desertification: Its Causes and Consequences ; Conference on Desertification Nairobi, Kenya, 29 August to 9 September, 1977. Pergamon Press, 1977.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.