Cargan, Leonard
Wadsworth, 1985
Buku Teks SO
Horton, Paul B.
Dow Jones Irwin, 1982
Buku Teks SO
Acuff, F. Gene
The Dryden Press, 1973
Buku Teks SO
Curran, Joseph, Jr.
McGraw-Hill, 1977
Buku Teks SO
Chitambar, J.B.
Wiley Eastern Limited, 1973
Buku Teks SO