Blanchard, Alain
Phase locked loops : application to coherent receiver design / Alain Blanchard
John Wiley & Sons, 1976
 Buku Teks
Penjadwalan loop spreading dan loop unrolling
Universitas Indonesia, 1996
 UI - Skripsi (Membership)
Egan, William F.
Phase-lock basics / William F. Egan
John Wiley & Sons, 1998
 Buku Teks
Pengaturan kecepatan motor induksi fasa tunggal dengan metoda phase locked loop
Fakultas Teknik Universitas Indonesia, 1992
 UI - Skripsi (Membership)
Rohde, Ulrich L.
Digital PLL frequency synthesizers : theory and design / Ulrich L. Rohde
Prentice-Hall, 1983
 Buku Teks