(1980). Steel in the 80s. Paris: OECD.
Chicago Style aipamenaSteel in the 80s. Paris: OECD, 1980.
MLA aipamenaSteel in the 80s. Paris: OECD, 1980.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
APA aipamena
(1980). Steel in the 80s. Paris: OECD.
Chicago Style aipamenaSteel in the 80s. Paris: OECD, 1980.
MLA aipamenaSteel in the 80s. Paris: OECD, 1980.