beijing Zhanggou ditu Chubanshe 1993
Buku Referensi
Beijing Beijing Yuyan Wenhua Daxue Chubanshe 2002
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Liaoning Liaoning Renmin Chubanshe Chuba 1998
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Xu, Tongqiang
Changchun Dongbei shifan Daxue Chubanshe 1997
Buku Teks
Hebei Hebei Jiaoyu Chubanshe 1989
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