Bollobas, Bela, author
Academic Press, 1978
Buku Teks
Harary, Frank
Addison-Wesley , 1994
Buku Teks
Universitas Indonesia, 1989
UI - Skripsi (Membership)
Chartrand, Gary, author
McGraw-Hill, 2005
Buku Teks
Balakrishnan, R., author
[Springer Science, ], 2012
eBooks