Birch, Tom, author
Pearson - Prentice Hall, 2006
Buku Teks
Thiessen, Frank J.
Reston Publishing, 1984
Buku Teks
Erwin-Christian Lovasz, Burkhard Corves, editors
[Springer, ], 2012
eBooks
Boguslavsky, B.L.
Peace Publishers , [date of publication not identified]
Buku Teks
Finata Rastic Andrari, author
Universitas Indonesia, 2015
UI - Tesis Membership