Carico, Charles C.
John Wiley & Sons, 1980
Buku Teks SO
Riddle, Douglas F.
PWS Publishing, 1992
Buku Teks SO
Larson, Ron, 1941-
D.C. Heath, 1990
Buku Teks SO
Barrilleaux, Charles
Cambridge University Press, 2017
Buku Teks SO
Thomas, George B.
Addison-Wesley, 1996
Buku Teks SO