Jenkinson, Josephine C.
Routledge, 1997
Buku Teks
Resti Aysiani Dewi, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2012
UI - Tesis (Membership)
Emerald Publishing Limited, 2019
eBooks
Harwell, Joan M., author
Jossey-Bass, 2001
Buku Teks
edited by Ann Lewis, Brahm Norwich
Open University Press, 2005
Buku Teks