French, Sally, author
Butterworth-Heinemann, 2001
Buku Referensi
Chaika, Elaine, author
Whurr Publishers, 2000
Buku Teks
Bien, Thomas, author
Wisdom Publications, 2006
Buku Teks
edited by Nicola J. Petty ; foreword by Alison Rushton
Churchill Livingstone Elsevier, 2011
Buku Teks
Alison Butterworth
Blurb, 2018
Buku Teks