Whately, Alice
Hongkong : Page One Publishing, 2002,
Buku Referensi
Whately, Alice, author
Pageone, 2002
Buku Referensi
Ganderton, Lucinda
Hongkong : Page One Publishing, 2002,
Buku Referensi
Shaw-Ros Byam
Hongkong : Page One Publishing, 2004,
Buku Referensi
Sudjic, Deyan, author
Mitchell Beazley, 1986
Buku Referensi