R. P. Sharma. (1992). Prayojanmulak hindi siddhant aur vyavhar = Use of hindi in official work (1.). Vishwavidyalaya.
Παραπομπή Chicago StyleR. P. Sharma. Prayojanmulak Hindi Siddhant Aur Vyavhar = Use of Hindi in Official Work. 1. Varanasi: Vishwavidyalaya, 1992.
Παραπομπή MLAR. P. Sharma. Prayojanmulak Hindi Siddhant Aur Vyavhar = Use of Hindi in Official Work. 1. Vishwavidyalaya, 1992.
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