Evans, Jacqueline P., author
Addison-Wesley, 1970
Buku Teks
Shere, Waris
Prentice-Hall, 1969
Buku Teks
Lin, C.C.
Macmillan, 1974
Buku Teks
Lipschutz, Seymour, 1915-2003, author
McGraw-Hill, 1966
Buku Teks
Lane, Bennie R.
Prindle, Weber and Schmidt , 1973
Buku Teks