Koperski, Jeffrey
Wiley Balckwell, 2015
Buku Teks
Buring, Daniel
Oxford University Press, 2016
Buku Teks
Jackson, Peter
Routledge, 1994
Buku Teks
Padover, Saul K. (Saul Kussiel)
Praeger, 1967
Buku Teks
Wilson, Deirdre
Cambridge University Press, 2012
Buku Teks