editor, Bela Bollobas
North-Holland , 1982
Buku Teks
Gould, Ronald
The Benjamin Cumming , 1988
Buku Teks
Deo, Narsingh, 1936-
1989
Buku Teks
Even, Shimon
Computer Science Press, 1979
Buku Teks
Hsu, Lih-Hsing
CRC Press, Taylor & Francis Group, 2009
Buku Teks