Miller, Melanie Ann
Garland Publishing, 1986
Buku Referensi
Binamitra Megawarna , 2003
Buku Teks
edited by S. Marchant, P.J. Higgins
Oxford University Press, 1993
Buku Referensi
edited by Stanley Cramp, C.M. Perrins
Oxford University Press, 1993
Buku Referensi
Strange, Morten
Periplus Editions, 1998
Buku Referensi