edited by Maurice King
Oxford University Press , 1966
Buku Teks
Aryana Satrya
Lambert Academic , 2010
Buku Teks
Artikel Jurnal
editor, Walter B. Stohr, D.R. Fraser Taylor
John Wiley & Sons, 1981
Buku Teks
Hicks, Ursula K.
Clarendon Press, 1961
Buku Teks