Steedman, I. (1979). Trade amongst growing economics. C. U. Pr..
Chicago Style (17th ed.) ZitazioaSteedman, Ian. Trade Amongst Growing Economics. Cambridge: C. U. Pr., 1979.
MLA (9th ed.) ZitazioaSteedman, Ian. Trade Amongst Growing Economics. C. U. Pr., 1979.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.