Springer, 2017
Buku Teks
Ingrid Volkmer, editor
[Wiley-Blackwell, ], 2012
eBooks
edited by Reiner Horst, Panos M. Pardalos
Kluwer Academic Publishers, 1995
Buku Referensi
edited by David I. Cleland, Roland Gareis
McGraw-Hill, 1994
Buku Referensi
Routledge, 2015
eBooks