Crum, Leonard William
Fiscal planning for total war Leonard William Crum, John F. Fennelly and Lawrence Howard Selizer
National Bureau of Economic Research , 1942
 Buku Teks
Maynard, Lee
CRUM
New York Washington Square Press 1988
 Buku Teks
Leonard, William patrick, 1898-
The management audit; an appraisal of management methods and performance / by William patrick Leonard
Prentice-Hall, 1962
 Buku Teks
Spencer, William
Algiers in the age of the corsairs / William Spencer
University of Oklahoma Press, 1976
 Buku Teks SO
Exton, William Jr.
The Age of systems : the human dilemma / William Exton, Jr.
American Management Association , 1972
 Buku Teks