Ruth Rama, editor
The Haworth Press, 2008
Buku Referensi
edited by Raffaella Cagliano, Federico F. A. Caniato, Christopher G. Worley
Emerald, 2016
eBooks
Artikel Jurnal
Tschmuck, Peter, author
[Springer, ], 2012
eBooks
Emerald,
Majalah, Jurnal, Buletin