Camp, Sue C., author
Glencoe/McGraw-Hill, 2001
Buku Teks
Callow, Margaret
Heinemann Educational Books, 1990
Buku Teks
McCullagh, Marie, author
Cambridge University Press, 2008
Multimedia
Langan, John, 1942-, author
McGraw-Hill , 2001
Multimedia
Langan, John, 1942-, author
McGraw Hill, 2019
Buku Teks