Luckett, Kelly
Green roof construction and maintenance
McGraw-Hill, 2009
 Buku Teks
Rock, William R.
Neville Chamberlain / by William R. Rock
Twayne Publishers, 1969
 Buku Teks SO
King, William Richard, 1938-
Strategic planning and policy / William R. King
Van Nostrand Reinhold, 1978
 Buku Teks SO
Leadership and social change/Edited by William R. Lassey
Iowa University 1971 ,
 Buku Teks
King, William Richard, 1938-
Quantitative analysis for marketing management / William R. King
McGraw-Hill, 1967
 Buku Teks SO