Bloomfield, Peter
John Wiley & Sons, 1976
Buku Teks
Brockwell, Peter J.
Springer-Verlag, 1991
Buku Teks
edited by O.D. Anderson
North-Holland , 1982
Buku Teks
Hannan, Edwar James
Science Paprbacks and Methuen, 1960
Buku Teks
edited by David F. Findley
Academic Press, 1981
Buku Teks