Brown, Ralph S., author
Foundation Press, 2005
Buku Teks
edited by J.A. Bondy, U.S. Murty
Academic Press, 1979
Buku Teks
Polya, George, author
Stanford University Press, 1962
Buku Teks
Gal, Tomas, author
McGraw-Hill, 1979
Buku Teks
Lipschutz, Seymour, 1915-2003, author
McGraw-Hill, 1999
Buku Teks