Gunn, Jeannie
Vict.Hutchinson of Australia, 1982
Buku Teks
Rachmawati Soekarnoputri
Booknesia, 2012
Buku Teks
Duhigg, Charles, author
Heinemann, 2012
Buku Teks
McIntosh, Jane, author
Checkmark Books, 1999
Buku Referensi
Sexton, John, author
M. Evans and Company, 1986
Buku Teks