edited by Michael J. Thali, Mark D. Viner, B.G. Brogdon
CRC Press, [2011;2011;2011, 2011]
Buku Teks SO
by Emil Ihrig ... [and others]
Osborne McGraw-Hill, 1991
Buku Teks
Campbell, David
McGraw-Hill, 1993
Buku Teks
Ettlin, Walter A.
McGraw-Hill, 1990
Buku Teks
Ponder, Randall D.
EP Entrepreneur Press, 2005
Buku Teks