Giara Iman Nanda
Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Indonesia, 2014
UI - Skripsi (Membership)
Langford, Michael
Focal Press, 1998
Buku Teks
edited by Nathan Lyons
Prentice-Hall, 1966
Buku Teks
Seno Gumira Ajidarma, 1958-
Universitas Indonesia, 2000
UI - Tesis (Membership)
Hope, Terry
RotoVision SA, 2001
Buku Teks