edited by Lowell W. Beineke and Robin J. Wilson
Academic Press, 1988
Buku Teks
Gould, Ronald
The Benjamin Cumming , 1988
Buku Teks
edited by J.A. Bondy, U.S. Murty
Academic Press, 1979
Buku Teks
McKee, Terry A.
Society for Industrial and Applied Mathematics, 1999
eBooks
Gross, Jonathan L.
Chapman & Hall/CRC Taylor & Francis Group, 2006
Buku Teks