Bross, Irwin D.J.
Macmillan, 1953
Buku Teks SO
Pratt, John W.
Massachusetts Institute of Technology, 1995
Buku Teks SO
Jones, J. Morgan
Richard D. Irwin, 1977
Buku Teks SO
Thomas, Howard
Pitman, 1972
Buku Teks SO
Hymans, Saul H.
Prentice-Hall, 1967
Buku Teks SO