Tony McEnery, Andrew Wilson, editor
Edinburgh University Press , 2001
Buku Teks
Lehmann, Winfred P., author
Holt, Rinehart & Winston, 1973
Buku Teks
Noth, Winfried, author
Airlangga University Press, 2006
Buku Teks
Victoria A. Fromkin [and others]
Blackwell, 2001
Buku Teks
M.A.K. Kalliday
Continuum, 2004
Buku Teks