1. Asher, R. E. (1982): Tamil. (Lingua Descriptive Studies). Amsterdam: North-Holland.
2. Ashton, E. O. (1947): Swahili Grammar. London: Longman.
3. Bauer,Winnifred (1993): Maori. (Descriptive Grammars). London and New York: Routledge.
4. Bhatia,Tej K. (1993): Punjabi. (Descriptive Grammars). London and New York: Routledge.
5. Biggs, Bruce (1969): Let's learn Maori. Wellington, etc.: Reed.