Plan: pronoun

References:

1. 
   Bhat, Darbhe Narayana Shankara (2007). Pronouns (Paperback ed.). Oxford: Oxford University Press. pp. 1. ISBN 978-0199230242.
   
2. 
   Börjars, Kersti; Burridge, Kate (2010). Introducing English grammar (2nd ed.). London: Hodder Education. pp. 50–57. ISBN 978-1444109870.
   
3. 
   Loos, Eugene E.; Anderson, Susan; Day, Dwight H. Jr.; Jordan, Paul C.; Wingate, J. Douglas (3 December 2015). "What is a pronominal?". Glossary of linguistic terms. SIL International. Archived from the original on 14 November 2018. Retrieved 14 November 2018.
   
4. 
   Crystal, David (1985). A dictionary of linguistics and phonetics (2nd ed.). Basil Blackwell.
   
5. 
   Huddleston, Rodney; Pullum, Geoffrey K. (2002). Cambridge grammar of the English Language. Cambridge: Cambridge University Press.