共 7 条
- [1] [Anonymous], 1899, GRUNDRISS LAUTLEHRE
- [2] [Anonymous], 1962, J AFRICAN LANGUAGES
- [3] Bendor-Samuel J., 1989, NIGER CONGO LANGUAGE
- [4] GREENBERG JH, 1955, STUDIES AFRICAN LANG
- [5] GRIMES BF, 2000, ETHNOLOGUE
- [6] Webb V.N., 2000, African Voices: An Introduction to the Languages and Linguistics of Africa
- [7] WOLFF HE, 2000, LANGUAGE SOC AFRICAN, P298