Nash, Walter
Routledge, 1990
Buku Teks SO
edited by Christopher Pawling
Macmillan, 1984
Buku Teks SO
Chang, H.C.
Edinburgh University Press, 1973
Buku Teks SO
edited by Tony Bennet
Routledge, 1990
Buku Teks SO
Bondanella, Peter
Cambridge University Press, 2005
Buku Teks SO