Larson, Richard C., 1943-, author
Prentice-Hall, 1981
Buku Teks
Sri Mulyono, author
Lembaga Penerbit Fakultas Ekonomi Universitas Indonesia, 1991
Buku Teks
Gupta
S.CHAND & COMPANY LTD., 1979
Buku Teks
Saaty, Thomas L., author
McGraw-Hill, 1959
Buku Teks
edited by Joseph F. McCloskey, Florence N. Trefethen
John Hopkins Press, 1954
Buku Teks