Artikel Jurnal
Yap, Po Jen, author
Cambridge University Press, 2017
eBooks
Kabul Aripin
Permata, 1960
Buku Teks
Direktoral Djenderal Territorial dan Perlawanan Rakjat, 1959
Buku Klasik
Acemoglu, Daron, author
Cambridge University Press, 2006
Buku Teks