Gaya APA
Singh, A. (2003).
Assessing human vulnability to environmental change: conceps, issues, methods and case studies .
Kenya:
United Nations Environment Programme.
Gaya MLA
Singh, Ashbindu.
"Assessing human vulnability to environmental change: conceps, issues, methods and case studies".
Kenya:
United Nations Environment Programme,
2003.
Cetak.