Hargreaves, Martin
Longman, 1996
Buku Teks SO
Boardman, John
Prentice-Hall, 1990
Buku Teks SO
Maier, Mark W.
CRC Press, 2009
Buku Teks SO
Alexander Kossiakoff 1945-, William N. Sweet, Samuel J. Seymour, Steven M. Biemer
Wiley-Interscience, 2011
Buku Teks SO
Beam, Walter R.
McGraw-Hill, 1990
Buku Teks SO