Cambridge University Press, 2007
eBooks
Agha, Asif, 1961-
Cambridge University Press , 2007
Buku Teks
Cambridge University Press, 1982
eBooks
edited by Yoshihisa Kashima, Klaus Fiedler, Peter Freytag
Lawrence Erlbaum Associates, 2008
Buku Teks
Robinson, W. Peter, author
Blackwell, 2003
Buku Teks