Colston, Herbert L., author
Cambridge University Press, 2015
Buku Teks
edited by Janet l. Nicol
Blackwell , 2006
Buku Teks
Cambridge University Press, 1999
eBooks
Levinson, Stephen C., author
Cambridge University Press, 2004
Buku Teks
Church, Joseph
Random House, 1961
Buku Teks