Wolf, Hans Julius
University of Oklahoma Press, 1978
Buku Teks
Campbell, Lyle
Edinburgh University Press , 2013
Buku Teks
Young, Robert, 1950-
UK Malden, MA John Wiley & Sons, Inc., 2016
Buku Teks
Losee, John
Oxford University Press, 1980
Buku Teks
Thody, Philip
Routledge , 1997
Buku Teks