Saaty, Thomas L., author
Praeger, 1990
Buku Teks
Spencer, J.E., author
John Wiley & Sons, 1969
Buku Teks
Lopreato, Joseph, author
Allen & Unwin , 1984
Buku Teks
Sutan Takdir Alisjahbana, author
Dian Rakyat, 1983
Buku Teks
edited by Mark Golden and Peter Toohey
Routledge, 1997
Buku Teks