Archer, Russell
Prentice-Hall, 1992
Buku Teks
Mohammad Hidayat
Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Indonesia, 1994
UI - Skripsi Membership
Date, C.J.
Addison-Wesley, 1975
Buku Teks
Bai, Ying
John Wiley & Sons, 2011
Buku Teks SO
Townsend, Carl
McGraw-Hill, 1984
Buku Teks