Whately, Alice, author
Pageone, 2002
Buku Referensi
A Ward Lock Book, 1997
Buku Referensi
Design Media Publishing Limited, [date of publication not identified]
Buku Referensi
Sweet, Fay, author
Conran Octopus Limited, 2000
Buku Referensi
Riadzul Jannah, author
2017
UI - Skripsi (Membership)