Stevens, Lee A.
Wadsworth, 1970
Buku Teks SO
Hoffer, Alan R.
Prindle, Weber & Schmidt, 1969
Buku Teks SO
Perry, William L. (William Leon), 1945-
McGraw-Hill, 1988
Buku Teks SO
Larson, Ron, 1941-
D.C. Heath, 1996
Buku Teks SO
Kolman, Bernard, 1932-
Pearson Education, 2004
Buku Teks SO