Singh, H. (1995). Theory of Numbers. Modern Book Centre.
Chicago Style (17th ed.) ZitazioaSingh, H. Theory of Numbers. New Delhi: Modern Book Centre, 1995.
MLA (9th ed.) ZitazioaSingh, H. Theory of Numbers. Modern Book Centre, 1995.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.