Hybels, Saundra
Communicating effectively
McGraw-Hill, 1992
 Buku Teks SO
Management of communication needs in people with learning disability
edited by Samuel Abudarham and Angela Hurd
Whurr Publishers, 2002
 Buku Teks SO
Tilly, Liz
Person centred approaches when supporting people with a learning disability
Learning Matters, 2011
 Buku Teks SO
Pountney, Jackie
The role of the learning disability worker
Learning Matters, 2011
 Buku Teks SO
Irwin, Harry
Communicating with Asia : understanding people & customs / Harry Irwin
Allen & Unwin , 1996
 Buku Teks SO