Whiteson, Leon
Hurtig Publishers, 1983
Buku Teks
Borden, Gail Peter
Routledge, 2014
Buku Teks
Allen, Stan
Routledge, 2009
Buku Teks
Conway, Hazel
Routledge , 1994
Buku Teks
Agoes Ariesmunandar ; Davison, Julian ; Bromer, Bea ; Durmacay, Jacques
Archipelago Press, 1998
Buku Referensi