Singer, Jefferson A., author
Oxford University Press, 2016
eBooks
Stern, G.B., author
Longman, 1952
Buku Teks
Stevenson, R. L. (Robert Louis), author
Random House, 1992
Buku Teks
Masao Morishige, author
Center for Asian and Pacific Studies, Seikei University, 2020
Artikel Jurnal
Noorhaidi, author
Universiteit Utrecht, 2005
Buku Teks