Sales, Roger
Routledge, 1997
Buku Teks
Austen, Jane, author
Oxford University Press, 1954
Buku Teks
Knox-Shaw, Peter, author
Cambridge University Press, 2009
eBooks
Clark, G. Kitson
Methuen & Co., Ltd., 1962
Buku Teks
Warner, Sylvia Townsend, author
Longman , 1951
Buku Teks