edited by Malcolm Coulthard and Alison Johnson
RoutledgeI, 2013
Buku Teks
Roosevelt, Kermit
Buku Teks
Sage Publications,
Majalah, Jurnal, Buletin
Cambridge : Massachusetts Institute of Technology (MIT) Press
Majalah, Jurnal, Buletin
Berlin : Mouton Publishers
Majalah, Jurnal, Buletin