Citazione Stile APA (7a Edizione)

Corrales, A. J. (1975). Changes in the U. S. iron ore market shares held by Canada, Venezuela, and U. S. Great Lakes Region, 1950-1973. s.n.

Citazione stile Chigago Style (17a edizione)

Corrales, Augusto J. Changes in the U. S. Iron Ore Market Shares Held by Canada, Venezuela, and U. S. Great Lakes Region, 1950-1973. s.l: s.n, 1975.

Citatione MLA (9a ed.)

Corrales, Augusto J. Changes in the U. S. Iron Ore Market Shares Held by Canada, Venezuela, and U. S. Great Lakes Region, 1950-1973. s.n, 1975.