McCleary, John
User's guide to spectral sequences
Publish or Perish, 1985
Buku Referensi
Koopmans, L.H.
The spectral analysis of time series
Academic Press, 1974
Buku Teks
Folland, Gerald B.
A course in abstract harmonic analysis
CRC Press, 1995
Buku Teks SO
Hewitt, Edwin
Abstract harmonic analysis : volume II
Springer-Verlag, 1970
Buku Referensi
Priestley, M.B.
Spectral analysis an time series : univariate series; Vol. 1
Academic Press, 1981
Buku Teks