Sharma, S. D. (2003). Differential Calculus. Pragati Prakashan.
Chicago Style (17th ed.) ZitazioaSharma, S. D. Differential Calculus. Meerut: Pragati Prakashan, 2003.
MLA (9th ed.) ZitazioaSharma, S. D. Differential Calculus. Pragati Prakashan, 2003.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.