Benedict R. O'g Anderson, 1991, Language and Power: Exploring Political Cultures in Indonesia, Cornell Press, pp. 157, 163, 167-170, ISBN0801423546, see also ISBN9793780401, [1], accessed 24 October 2014.
comicsincrisis.blogspot.com
"So Many Masks", Comics in Crisis (May 16, 2011; accessed June 3, 2016)