Adam Ritcjie, Randall Thomas, editor
Taylor & Francis Group, 2009
Buku Teks
Leitmann, Josef
McGraw-Hill, 1999
Buku Teks
The World Bank, [date of publication not identified]
Buku Teks
Barnett, Jonathan
Architectural Record Books, 1974
Buku Teks
Moughtin, Cliff
Butterworth-Heinemann, 1999
Buku Teks