Stuart, Richard B.
Research Press Company, 1972
Buku Teks
Ritzen, Jozef
Anthem Press, 2005
Buku Teks
Bianki, V.
Foreign Languages Publishing, [date of publication not identified]
Buku Teks
Handfield, Toby
Cambridge University Press, 2012
Buku Teks
Conrad, Joseph, 1857-1924
Methuen, 1956
Buku Teks