Jordan, Edwin O., author
W.B. Saunders, 1946
Buku Teks
Flynn, John E., author
McGraw-Hill, 1966
Buku Teks
Zen-Yoji, Hiroshi
SEAMIC, 1976
Buku Teks
Iman Santoso, author
Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Indonesia, 1993
UI - Laporan Penelitian
Hare, Ronald, author
Longman, 1967
Buku Teks