Kaplan, Robert D.
Eastward to tartary: travels in the balkans, the middle east, and the caucasus
Random House, 2000
 Buku Teks
Kaplan, Robert D.
Eastward to tartary: travels in the Balkans, the middle east, and the caucasus
Caroline Cunningham, 2000
 Buku Teks
Herskovits, Melville J. (Melville Jean), 1895-1963
Cultural anthropology: an abridged revision of man and his works
Alfred A. Knopf, 1964
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Tibet China's facts and figures
Wai Wen chu ban she, 2007
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Reischauer, Edwin O.
Ennin`s travels in T'ang China
Ronald Press , 1957
 Buku Teks