Hubbard, George U., author
Van Nostrand Reinhold, 1981
Buku Referensi
Curtice, Robert M., author
Van Nostrand Reinhold, 1982
Buku Teks
Perron, Robert, author
Information Sciences Inc., 1981
Buku Teks
Rob, Peter, author
Course Technology, 2002
Buku Teks
Rob, Peter, author
Wadsworth, 1993
Buku Teks