Barger, V. (Vernon), 1938-
McGraw-Hill, 1995
Buku Teks SO
Kibble, T.W.B.
Longman, 1996
Buku Teks SO
Goldstein, Herbert
Addison-Wesley, 1980
Buku Teks SO
Kibble, T.W.B.
Longman, 1985
Buku Teks SO
Goldstein, Herbert
Addison-Wesley Publishing Company, INC, 1950
Buku Teks SO