Rosenfeld, Sam
Harvey House, 1965
Buku Teks
Allen, Theodore, author
McGraw-Hill Kogakusha, c1972
Buku Teks
Roberson, John A., author
Houghton Miffiln, 1975
Buku Teks
Shepherd, D. G. (Dennis G.), author
Harcourt, Brace World, 1965
Buku Teks
Sutomo, author
Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Indonesia, 1997
UI - Tesis (Membership)