Budworth, Geoffrey
The right way to improve your memory / by Geoffrey Budworth
Jaico Pub, 2002
 Buku Teks
Muinzer, Genevieve
New to the UK : guide to your life and right
Routledge and Kegan Paul, 1987
 Buku Teks SO
Elliot, Rose
Kitchen pharmacy : how to make your own remedies
Chapmans Publisher Ltd., 1994
 Buku Referensi
Nomi, Toshikata
You are your blood type
Mizan Media utama, 2017
 Buku Teks SO
White, Thomas I.
Right and wrong : a practical introduction to ethics
NJ John Wiley &​ Sons,, 2017
 Buku Teks SO