Ford, William W., author
Hafner Press, 1964
Buku Teks
Jordan, Edwin O., author
W.B. Saunders, 1946
Buku Teks
Dinesh K. Maheshwari, editor
[, Springer-Verlag], 2012
eBooks
Flynn, John E., author
McGraw-Hill, 1966
Buku Teks
Iman Santoso, author
Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Indonesia, 1993
UI - Laporan Penelitian