Reynolds, L.D., author
Clarendon Press , 1986
Buku Teks
Lesky, Albin, author
Methuen, 1966
Buku Teks
Said, Suzanne, author
Routledge, 1999
Buku Teks
Storey, Ian Christopher, 1946-, author
Wiley Balckwell, 2014
Buku Teks
Grant, Michael
Penguin Books, 1990
Buku Teks