Whitelock, D.
Penguin Books, 1952
Buku Teks
edited by Joy Hendry
Routledge, 1998
Buku Teks
Callan, Hilary
Oxford University Press , 1970
Buku Teks
edited by Karen Fog Olwig and Kirsten Hastrup
Routledge, 1997
Buku Teks
Medina, Jose C., author
SEADA Group, 1975
Buku Teks