Winter, Jane Kohen, author
Times Books Internasional, 1996
Buku Teks
Draine, Cathie
Times Books Int. , 1990
Buku Teks
Hoare, James E., author
Kuperard, 2006
Buku Referensi
Eagan, Angela, author
Marshall Cavendish, 2007
Buku Teks
Vegdahl, Sonja, author
Marshall Cavendish, 2005
Buku Teks