Wilson, A. Paula
100 ready-to-use pathfinders for the Web : a guidebook and CD-ROM
Neal-Schuman Publishers, 2005
 Buku Teks SO
Cameron, Susan, 1958-
Perfecting your english pronunciation
McGaw-Hill, 2011
 Multimedia
Cameron, Susan, 1958-
Perfecting your english pronunciation
McGraw-Hill, 2011
 Multimedia
Cameron, Susan, 1958-
Perfecting your english pronunciation
McGaw-Hill, 2011
 Multimedia
Cameron, Susan, 1958-
Perfecting your english pronunciation
McGraw-Hill, 2012
 Buku Teks SO