Encyclopedia of Language and Linguistics (2 ed.). Elsevier. ISBN 0-08-044299-4. {{cite book}}: Invalid |ref=harv (help) "National Council for Promotion of Urdu
Handbook of Historical Linguistics. Blackwell Publishing (published 30 December 2004). p. 163. ISBN 978-1-4051-2747-9. Arnold, John H. (2000). History: A Very
Level Textbooks Tsujimura, Natsuko (Ed.) (1999). The handbook of Japanese linguistics. Malden, MA: Blackwell Publishers. ISBN 0-631-20504-7. Readings/Anthologies
of General Linguistics. Tr. Elisabeth Palmer Rubbert (Studies in General Linguistics, vol. i.). London: Faber. p. 15. Rens Bod (2014). A New History of