Columbia : Columbia University Press and American Dialect Society
Majalah, Jurnal, Buletin
Chen, Baoya
Jinan Shandong Jiaoyu Chubanshe 1999
Buku Teks
Trigilio, John
Karisma Publishing Group, 2007
Buku Teks
Societe D'Edition Les Beles Letters , 1967
Buku Teks
Ruckert, F.
Leipzig Reclam, O.J. [t.th.]
Buku Teks