Eilenberg, Samuel
Academic Press, 1976
Buku Teks
Universitas Indonesia, 2008
UI - Skripsi (Membership)
Carroll, John
Prentice-Hall, 1989
Buku Teks
Kurmit, Avgust Avgustovich
John Wiley & Sons, [Date of publication not identified]
Buku Teks
Minsky, Marvin Lee, 1927-
Prentice-Hall, 1967
Buku Teks