National Council of Applied Economic Research. (1965). Cost price structure of iron ore. s.n.
Chicago-viite (17. p.)National Council of Applied Economic Research. Cost Price Structure of Iron Ore. New Delhi: s.n, 1965.
MLA-viite (9. p.)National Council of Applied Economic Research. Cost Price Structure of Iron Ore. s.n, 1965.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.