APA Format
Perserikatan Bangsa Bangsa; Perserikatan Bangsa Bangsa. (2001).
Compendium of human settlements statistics 2001 : sixth issue
. New York :: United Nations,.
MLA Format
Perserikatan Bangsa Bangsa; Perserikatan Bangsa Bangsa.
Compendium of human settlements statistics 2001 : sixth issue
. New York :: United Nations,, 2001
Chicago Format
Perserikatan Bangsa Bangsa; Perserikatan Bangsa Bangsa. Compendium of human settlements statistics 2001 : sixth issue. New York :: United Nations,, 2001.