Whitfield, John
Institution of Engineering and Technology, 2009
eBooks
Green, D.C.
Longman Scientific & Tecnical, 1992
Buku Teks SO
Kasap, S. O.
McGraw-Hill , 2006
Multimedia
Adams, James E.
McGraw-Hill, 1985
Buku Teks
Morris, Noel Malcolm, 1929-
Longman, 1980
Buku Teks SO