Wright, Jeremy C., editor
[Springer, ], 2012
eBooks
Grandstaff, Russell J., author
National Textbook Company, 1990
Buku Teks
edited by Alan Lovell, Peter Kramer
Routledge, 1999
Buku Teks
Iris Rengganis, author
2017
UI - Makalah dan Kertas Kerja
Ria Purwita Larasati, author
Fakultas Matematika dan Ilmu Pengetahuan Alam. Universitas Indonesia, 1989
UI - Skripsi (Membership)