Leslie, Russell P.
McGraw-Hill, 1996
Buku Teks SO
The Chractered Institution of Building Services Engineers, 1991
Buku Teks SO
Pritchard, David C.
Longman, 1995
Buku Teks SO
Pritchard, David C.
Longman, 1995
Buku Teks SO
Whitehead, Randall
Rockport, 1998
Buku Teks SO