Marks, R.J. [Raymond John]
Aspects of civil engineering contract procedure
Pergamon Press, 1985
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Ayers, Chesley
Specifications: for architecture, engineering, and construction
McGraw-Hill, 1975
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Ayers, Chesley
Specifications for architecture, engineering and construction
McGraw-Hill, 1984
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Seeley, Ivor H. [Ivor Hugh], 1924-
Civil engineering contract administration and control
Macmillan, 1993
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Ayers, Chesley
Specifications for architecture, engineering and construction
McGraw-Hill, 1984
 Buku Teks SO