Sreedharan, E. (2007). A Manual of Historical Research Methodology. CSIS.
Chicago Style aipamenaSreedharan, E. A Manual of Historical Research Methodology. Trivandrum: CSIS, 2007.
MLA aipamenaSreedharan, E. A Manual of Historical Research Methodology. CSIS, 2007.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.