Shapiro, Stuart C., author
D. Van Nostrand Company, 1979
Buku Teks
Winston, Patrick Henry, author
Addison-Wesley, 1993
Buku Teks
Andrew, A.M., author
Abacus Press, 1983
Buku Teks
Rich, Elaine, author
McGraw-Hill, 1983
Buku Teks
Winston, Patrick Henry, author
Addison-Wesley Publishing Comp., 1984
Buku Teks