Pelton, Gordon E., author
McGraw-Hill, 1992
Buku Teks
Cabriela Jennifer, author
Fakultas Teknik Universitas Indonesia, 2014
UI - Skripsi (Membership)
Barry, Ann Marie Seward
State University of New York, 1997
Buku Teks
Sclater, Neil
Howard W. Sams, 1983
Buku Teks
Rabiner, Lawrence R., author
Prentice-Hall, 1978
Buku Teks