edited by Yan Kai and Bai Ying
Nei Menggu Renmin Chubanshe, 2000
Buku Referensi
Tianren zhu bian, Ma Shangyun fu zhu bian
Neimeng Renman Chubanshe, 2000
Buku Teks
Midgley, Mary, author
Routledge, 2006
Buku Teks
O`Dowd, Bernard, author
Angust & Robertson, 1963
Buku Teks
Kennedy, X. J., author
Pearson Longman , 2005
Buku Teks