Artikel Jurnal
Erol Gelenbe, editor
[, Springer-Verlag], 2012
eBooks
edited by Diane H. Sonnenwald
Universityy of Texas Press, 2016
Buku Teks
Nagel, Michael C., author
Oxford University Press, 2016
Buku Teks
Beatty, Ken, author
Pearson Education, 2003
Buku Teks