Klevans, Richard L.
Voice recognition
Artech House, 1997
 Buku Teks SO
Hafizh Fazha
Analisis performa voice scrambler terhadap pemilihan frekuensi sampling codec menggunakan DSP Starter Kit TMS320C6713 = Analysis of voice scrambler performance with codec frequency sampling using DSP Starter Kit TMS320C6713
Fakultas Teknik Universitas Indonesia, 2006
 UI - Skripsi Membership
Thompson, Steven K.
Sampling
John Wiley & Sons, 2012
 Buku Teks SO
Sampling dalam penelitian pendidikan
 Artikel Jurnal
Johannes Supranto
Sampling dalam auditing
UI-Press, 2008
 Buku Teks SO