Churchman, Charles West, 1913-
Wiley, 1957
Buku Teks
edited by Joseph F. McCloskey, Florence N. Trefethen
John Hopkins Press, 1954
Buku Teks
Miller, David W.
Prentice-Hall of India, 1973
Buku Teks
Miller, David W.
Prentice-Hall, 1960
Buku Teks
Miller, David M.
John Wiley & Sons, 1990
Buku Teks