Barnett, Vic, author
Arnold , 2002
Buku Teks
Scheaffer, Richard L., author
Duxbury , 1990 Press
Buku Teks
Chaudhuri, Arijit, author
Chapman and Hall/CRC, 2005
Buku Teks
Schrock, Edward M.
Reinhold, 1961
Buku Teks
Cochran, William G., author
UI-Press, 1991
Buku Teks