Wallbank, T. Walter
Scott, Foreman, 1965
Buku Teks
Burckhardt, Jacob, 1818-1897
Harper Torchbooks, 1968
Buku Teks
edited by S.J. De Leat, A.H. Dani, J.L. Lorenzo and R.B. Nunoo
Routledge , 1994
Buku Referensi
Li, Xiaodong
China Renmin University Press, 2015
eBooks
Turner, Ralph
McGraw-Hill, 1941
Buku Teks