edited by Michael Schwartz, Howard Harris, Debra R. Comer
Emerald, 2016
eBooks
Karla M. Nashar, author
Gramedia Pustaka Utama, 2008
Buku Teks
Brunner-Routledge, 2002
Buku Teks
Underhill, James W., author
Cambridge University Press, 2012
Buku Teks
Artikel Jurnal