Specification 93
editor, Alan Williams
Emap Architecture, 1993
Buku Referensi
Bruce, David
Electronic
Reston Publishing, 1984
Buku Teks
Rosa, Frank
Water treatment specification manual
McGraw-Hill, 1985
Buku Referensi
Specification 93 clauses
editor, Alan Williams
Emap, 1993
Buku Referensi
Specification 93 Technical
edited by, Alan Williams
Emap , 1993
Buku Referensi