Dunne, Jemima
Dorling Kindersley, 2012
Buku Referensi
contributors, Charles Armstrong-Wilson [and 6 others]
Dorling Kindersley, 2015
Buku Referensi
edited by Deborah Cherry
Blackwell, 2005
Buku Teks
Paytress, Mark
Parragon, 2011
Buku Referensi
Gomez-Palacio, Bryony
Page one publishing pte ltd, 2009
Buku Referensi