Bhat, B.A.
Edinburgh, Scottish Academic Press
Buku Teks
Skelton, H.J., author
London, H.J.Skelton
Buku Teks
Graff, Heinz, author
Edition Leipzig, 1973
Buku Teks
Tracy, Edward B.
Dodd, Mead, , 1971
Buku Teks
Ulung Gondo Kusumo, author
Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Indonesia, 2006
UI - Skripsi Membership