Avasthi, S. (1953). Mudrika (2nd ed.). Visva Vidhyalaya.
Chicago Style aipamenaAvasthi, Sadgurusaran. Mudrika. 2nd ed. Gorakhpur: Visva Vidhyalaya, 1953.
MLA aipamenaAvasthi, Sadgurusaran. Mudrika. 2nd ed. Visva Vidhyalaya, 1953.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.