Seeley, Ivor H. [Ivor Hugh], 1924-
Civil engineering contract administration and control
Macmillan, 1993
 Buku Teks SO
Marks, R.J. [Raymond John]
Aspects of civil engineering contract procedure
Pergamon Press, 1985
 Buku Teks SO
Marks, R.J. [Raymond John]
Aspects of civil engineering contract procedure
Pergamon Press, 1985
 Buku Teks SO
Malaysian journal of civil engineering
Faculty of Civil Engineering, Universiti Teknologi Malaysia ,
 Majalah, Jurnal, Buletin
Civil engineering handbook
editor-in-chief, Leonard Church Urquhart
McGraw-Hill, 1959
 Buku Referensi