Powicke, F. M.
Odhams Press, 1955
Buku Teks
American Academy of Arts and sciences, 1971
Buku Teks
Tarling, Nicholas
New Zealand Asia Institute , 2000
Buku Teks
Hicks Smith & Sons, 1978
Buku Teks
Momigliano, A. D.
Weidenfeld and Nicolson, 1966
Buku Teks