Shafie, Tun Muhammad Ghazali, author
National Archives of Malaysia, 2010
Buku Teks
Cowles, Virginia, author
Harper and Brothers, 1953
Buku Teks
editor, Paul Boyer
Ivan R. Dee, 1900
Buku Referensi
Mehnert, Klaus
Frederick A. Praeger, 1962
Buku Teks
Fuchs, Stephen
Asia Publishing House, 1963
Buku Teks