Zach, E
Batavia Tong AH 1930
Buku Teks
Luo, Anyuan
Beijing Zhongyang Minzu Daxue Chubanshe [t.th.]
Buku Teks
Dudenverlag, 1991
Buku Referensi
Jakobson, Roman, author
Berlin Akademic-Verlag 1960
Buku Teks
Jakobson, Roman, author
Berlin Akademic-Verlag 1960
Buku Teks