Liberty, Jesse, author
O'Reilly, 2008
Buku Teks
McGrath, Mike, 1947-, author
FSC, 2012
Buku Teks
Moore, Lawrie, author
Ellis Horwood Limited, 1980
Buku Teks
Holmes, B.J., author
DP Publication Ltd., 1985
Buku Teks
Sand, Paul A., author
Osborne/McGraw-Hill, 1984
Buku Teks