National Council of Applied Economic Research. (1965). Cost price structure of iron ore. s.n.
Chicago Style aipamenaNational Council of Applied Economic Research. Cost Price Structure of Iron Ore. New Delhi: s.n, 1965.
MLA aipamenaNational Council of Applied Economic Research. Cost Price Structure of Iron Ore. s.n, 1965.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.