London : History Today
Majalah, Jurnal, Buletin
Middletown : Wesleyan University Press
Majalah, Jurnal, Buletin
Selangor : The Malaysia Historical Society
Majalah, Jurnal, Buletin
Buku Teks
Sansom, George Bailey, Sir, 1883-1965, author
Charles E. Tuttle, 1987
Buku Teks