Walter, Catherine
Cambridge University Press, 1992
Buku Teks
Victorian Association for the Teaching of English, 1984
Buku Teks
Illinois McDougal, 1977
Buku Teks
J.S. (Jusuf Syarif ) Badudu, author
Gramedia, 1988
Buku Teks
Kim, Joong Soeb, author
Kyeonghwedehakkyo, 2006
Buku Teks