Deo, Narsingh, 1936-, author
1989
Buku Teks
Hsu, Lih-Hsing, author
CRC Press, Taylor & Francis Group, 2009
Buku Teks
Bollobas, Bela, author
Academic Press, 1978
Buku Teks
edited by J.A. Bondy, U.S. Murty
Academic Press, 1979
Buku Teks
Harary, Frank
Addison-Wesley , 1994
Buku Teks