Abrams, Lynn, author
Roudledge, 2010
Buku Teks
edited by P. Lim Pui Huen, James H. Morrison, Kwa Chong Guan
National Archives of Singapore and Institute of Southeast Asian Studies, 1998
Buku Teks
Smith, Lee, author
Berkley book, 2011
Buku Teks
edited by Robert Perks and Alistair Thomson
Routledge, 1998
Buku Teks
Middletown : Wesleyan University Press
Majalah, Jurnal, Buletin