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商务印书馆囯际有限公司, 2000
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Hu, Shuangbao, author
Beijing Daxue Chubanshe , 2001
Buku Teks
Bai Yong Quan
Henan Kexue Zhishu Chubanshe, 2001
Buku Referensi
Foreign Language Teaching and Research Press, 1997
Buku Referensi
Yuyan Wenhua Daxue Chubanshe, 1997
Buku Referensi