Newman, William H.
Prentice-Hall, 1987
Buku Teks
Weilbacher, William M.
Macmillan, 1981
Buku Teks
Kixer, William M.
John Wiley & Sons, 1986
Buku Teks
Kunstler, William M.
Oceana Publications, Inc, 1963
Buku Teks
Kunstler, William M.
William-Morrow and company, 1962
Buku Teks