Brown, James I., author
D.C. Heath, 1987
Buku Teks
James Taylor... [et al.]
Macmillan, 1993
Buku Teks
Davies, Florence
Penguin English , 1994
Buku Teks
Elkin, Judith, author
Facet Publishing , 2004
Buku Teks
Bloemendal, M.G., author
Rosda Jayaputra, 1990
Buku Teks