Niblett, G.B.F.
OECD, 1971
Buku Teks SO
Gladney, Henry M.
Springer, 2007
Buku Teks SO
Manger, Jason J.
McGraw-Hill, 1995
Buku Referensi
Hill, Mervyn
[RIBA ;, ], 1999
eBooks
edited by Patrick M. Malone, Karen L. Kier and John E. Stanovic
McGraw-Hill, Medical Publishing Division, 2006
Buku Teks SO