Martin, George Edward, author
Springer-Verlag, 1982
Buku Teks
Sewell, Granville
Ellis Horwood , 1990
Buku Teks
Jensen, Frank, author
John Wiley & Sons, 1999
Buku Teks
Court, Nathan Altshiller, author
Barnes and Noble, 1952
Buku Teks
Smith, Jonathan D.H., author
CRC Press, Taylor & Francis Group, 2009
Buku Teks