Simpson, George Gaylord, author
Harcourt Brace & World, 1969
Buku Teks
Jones, Kenneth G.
John Wiley & Sons, 1977
Buku Teks
Mader, Sylvia S., author
McGraw-Hill , 1998
Buku Teks
Case, James F., author
Macmillan, 1979
Buku Teks
Ritchie, Donald D., author
Addison-Wesley, 1983
Buku Teks