Schwarz, A.F.
Academic Press, 1987
Buku Teks
Bethune, James D., author
Prentice-Hall, 1990
Buku Referensi
Umar Wirahadi Kusuma, author
Fakultas Teknik Universitas Indonesia, 2012
UI - Skripsi (Membership)
Baer, Chales J., author
McGraw-Hill, 1980
Buku Teks
Faldo Maldini, author
Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Indonesia, 2013
UI - Skripsi (Membership)