Sullivan, Robert, 1953-, author
Life Books, 2010
Buku Referensi
Palmer, Alan, author
Routledge, 1996
Buku Referensi
Cousins, Margaret, author
Fawcett, 1965
Buku Teks
Ahamed, Liaquat, author
Dian Rakyat, 2010
Buku Teks
e Home Entertainment, Inc, 2011
Buku Referensi