Johnson, Hewlett
The upsurge of China
New World Press, 1961
Buku Teks SO
Qi, Wen
China: a general survey
Foreign Languages Press, 1989
Buku Teks SO
Reischauer, Edwin O.
Ennin's travels in T'ang China
Ronald Press, 1955
Buku Teks SO
Handbook on people's China
Foreign Languages, 1957
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Qin, Shi
China 1993 / compiled by Qin Shi
New Star Publishers, 1993
Buku Teks SO