Taylor, Jean Gelman. Indonesia. New Haven and London: Yale University Press. ISBN0-300-10518-5.
Hefner, Robert (1997), Java's Five Regional Cultures. taken from Oey, Eric (editor) (1997). Java. Singapore: Periplus Editions. pp. 58–61. ISBNISBN 962-593-244-5 Check |isbn= value: invalid character (help).CS1 maint: extra text: authors list (link)
