Riley, David D., author
Boyd & Fraser, 1987
Buku Teks
McKnight, William, author
Morgan Kaufmann, 2014
eBooks
McLeod, Raymond, author
John Wiley & Sons, 1982
Buku Teks
Gabriela Patricia Winny Gracia, author
Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Indonesia, 2021
UI - Skripsi (Membership)
IFIP, TC8, 1988
Buku Teks