edited by Peter A.J. Bouhuijs, H.G. Schmidt, H.J.M. van Berkel
Network Publications, 1993
Buku Teks
edited by Shehan Hettiaratchy ... [et al.]
Springer, 2012
eBooks
Savin-Baden, Maggi, author
Routletge , 2007
Buku Teks
Teena Clouston, author
Wiley, 2010
Buku Teks
Artikel Jurnal