Artikel Jurnal
Coyle, Brian, author
Canterbury CIB , 2000
Buku Teks
Gunawan Widjaja, author
RajaGrafindo Persada, 2002
Buku Teks
David Faulkner, Satu Teerikangas, Richard J Joseph, editors
Oxford University Press, 2012
Buku Teks
edited by Cary L. Cooper, Sydney Finkelstein
Emerald, 2017
eBooks
Gunawan Widjaja, author
Rajawali, 2002
Buku Teks