Monte Jay Meldman ... [et.al]
Van Nostrand Reinhold, 1978
Buku Teks SO
Hadi Kusalamwardi
Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Indonesia, 1985
UI - Skripsi Membership
Tsichritzis, Dionysios C.
Academic Press, 1977
Buku Teks
Kruglinski, David
McGraw-Hill, 1983
Buku Teks
Cardenas, Alfonso F.
Allyn and Bacon, 1979
Buku Teks SO