Tim R. New, editor
[, Springer], 2012
eBooks
edited by Timothy Michael Devinney, Gideon Markman, Torben Pedersen, Laszlo Tihanyi
Emerald, 2016
eBooks
edited by George Clement Bond, Angela Gilliam
Routledge, 1994
Buku Teks
Artikel Jurnal
Sperling, Sebastian, author
2006
Artikel Jurnal