| Citation | Ruhlen, M., 1991. A guide to the world's languages. Volume 1: Classification. With a postscript on recent developments. Stanford University Press, Stanford, California, 463 p. |
| DOI / ISBN | |
| Paper URL | |
| Ref. No. | 10991 |
| Language | English |
| Usage | used in part |
| Remarks | |
| Find this reference in | Google Scholar | Scirus | Species used from this reference |