Hill, D. (1946). Co-operative research in industry. Hutchinsons Scientific and Technical Publications.
Chicago Style aipamenaHill, D.W. Co-operative Research in Industry. London: Hutchinsons Scientific and Technical Publications, 1946.
MLA aipamenaHill, D.W. Co-operative Research in Industry. Hutchinsons Scientific and Technical Publications, 1946.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.