Johnson, Colin, author
Angus & Robertson, 1987
Buku Teks
Yeoman, John, author
Random House, 2009
Buku Teks
Torday, Piers, author
Puffin Books, 2015
Buku Teks
Mari, Ogai, author
Charles E. Tuttle, 1959
Buku Teks
Ople, Blas F., author
Department of Foreign Affairs Republic of the Philippines, 2002
Buku Teks