Griffiths, Sally
St. Martin`s Press, 2002
Buku Teks SO
Jordan, R. Furneaux
Viking Press, 1961
Buku Teks SO
Frampton, Kenneth
MIT Press, 1995
Buku Teks SO
Adlina
Fakultas Teknik Universitas Indonesia, 2012
UI - Skripsi Open
Easton, Stewart C.
Praeger, 1964
Buku Teks SO