Bianki, V., author
Foreign Languages Publishing, [date of publication not identified]
Buku Teks
Buku Teks
Ritzen, Jozef, author
Anthem Press, 2005
Buku Teks
Handfield, Toby, author
Cambridge University Press, 2012
Buku Teks
Conrad, Joseph, 1857-1924, author
Methuen, 1956
Buku Teks