Wilson, Thomas
Macmillan, 1965
Buku Teks
Jones, Joseph Marion
Pergamon Press, 1965
Buku Teks
Nairobi: The United Nations Centre for Human Settlements (Habitat), 1991, 1991
Buku Referensi
United Nations Development Program
Jakarta: United Nations Development Program, 1993,
Buku Referensi
United Nations Development Program
Jakarta: United Nations Development Program, 1993,
Buku Referensi