(1973). L'industrie des metaux non ferreux the non-ferrous metals industry. Paris: OECD.
Chicago Style aipamenaL'industrie Des Metaux Non Ferreux the Non-ferrous Metals Industry. Paris: OECD, 1973.
MLA aipamenaL'industrie Des Metaux Non Ferreux the Non-ferrous Metals Industry. Paris: OECD, 1973.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.