Cunningham, Sarah
Everyday listening and speaking pre-intermediate
Oxford University Press , 1994
 Buku Teks SO
Brown, Steven
Active listening
Cambridge University Press, 2007
 Multimedia
Collier, Leonard Dawson
Everyday Spanish
St. Paul's House Warwick Lane, 1973
 Buku Teks SO
Burley-Allan, Madelyn
Listening: the forgotten shill
John Wiley & Sons, 1982
 Buku Teks SO
Battell, Chris
Effective listening: business skills
American Society for Training & Development, 2006
 eBooks