Bury, Michael, author
Routledge , 1997
Buku Teks
Bury, Michael, author
Routledge, 2000
Buku Teks
Herlihy, Barbara, author
W.B. Saunders, 2000
Buku Teks
Waugh, Anne, author
Churchill Livingstone , 2006
Buku Teks
Spector, Rachel E., author
Appleton Century Crofts, 1985
Buku Teks