P.C.Sinha. (1997). 50 years of United Nations and World affairs. Anmol.
Chicago Style aipamenaP.C.Sinha. 50 Years of United Nations and World Affairs. New Delhi: Anmol, 1997.
MLA aipamenaP.C.Sinha. 50 Years of United Nations and World Affairs. Anmol, 1997.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.