Tokheim, Roger L., author
McGraw-Hill , 1990
Buku Teks
Fortney, Llyod R., author
Harcord Brace Jovanovich, 1987
Buku Teks
Grob, Bernard, author
McGraw-Hill, 1977
Buku Teks
Mitchell, F. H., author
Addison-Wesley, 1959
Buku Teks
Watson, John, author
Macmillan, 1990
Buku Teks