Hill, D. (1946). Co-operative research in industry. Hutchinsons Scientific and Technical Publications.
Chicago-referens (17:e uppl.)Hill, D.W. Co-operative Research in Industry. London: Hutchinsons Scientific and Technical Publications, 1946.
MLA-referens (9:e uppl.)Hill, D.W. Co-operative Research in Industry. Hutchinsons Scientific and Technical Publications, 1946.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.