Jones, J. Morgan
Richard D. Irwin, 1977
Buku Teks SO
Pratt, John W.
Massachusetts Institute of Technology, 1995
Buku Teks SO
Thomas, Howard
Pitman, 1972
Buku Teks
Hymans, Saul H.
Prentice-Hall, 1967
Buku Teks SO
Moore, Peter G.
Longman , 1972
Buku Teks