Beiser, Arthur, author
McGraw-Hill, 1988
Buku Teks
Metz, Clyde R.,
Schaum's outline Series, 1989
Buku Teks
Wells, Dare A., author
McGraw-Hill, 1983
Buku Teks
Sched, Francis, author
McGraw-Hill International Book Company, 1983
Buku Teks
Scheid, Francis, author
McGraw-Hill, 1970
Buku Teks