Carter, W. Nick
ADB, 1991
Buku Referensi
edited by Jack Pinkowski
CRC Press, 2008
Buku Referensi
Samosir, Frida Silviana
2012
UI - Tesis Open
Webber, Ross A.
Richard D. Irwin, 1981
Buku Teks
Krisno Nimpuno, editor; Roy Hilman, editor
United Nations Centre for Human Settlements (Habitat), 1998
Buku Referensi