Dooley, Susan
Chronicle Books, 2001
Buku Referensi
Balston, Michael
Rockport Publishers, 2001
Buku Teks
Rees, Yvonne
Page One Publishing, 2001
Buku Referensi
Brookes, John
Ward Lock, 1996
Buku Referensi
Annisa Solihati Anggraini
2016
UI - Skripsi Membership