edited by Larry Kevan, Robert N. Schwartz
John Wiley & Sons, 1979
Buku Teks
Weil, John A.
John Wiley & Sons, 1994
Buku Teks
Siti Maryam
Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Indonesia, 2012
UI - Skripsi (Membership)
Universitas Indonesia, 2004
UI - Tesis (Membership)
edited by C.R. Brundle and A.D. Baker
Academic Press , 1978
Buku Teks