Tolong jelaskan mengenai . dari Bahasa Hindi

Grierson, G. A. Linguistic Survey of India Vol I-XI, Calcutta, 1928, ISBN 81-85395-27-6

McGregor, R. S. (1977), Outline of Hindi Grammar, 2nd Ed., Oxford University Press, Oxford-Delhi, ISBN 0-19-870008-3 (3rd ed.)

Taj, Afroz (2002) A door into Hindi. Retrieved November 8, 2005.

Tiwari, Bholanath ([1966] 2004) हिन्दी भाषा (Hindī Bhasha), Kitab Pustika, Allahabad, ISBN 81-225-0017-X.

Bhatia, Tej K A History of the Hindi Grammatical Tradition. Leiden, Netherlands & New York, NY: E.J. Brill, 1987. ISBN 90-04-07924-6