B S I. (1977). UDC 621.7 Plastic or chipless working forming and treatment of materials BS 1000 (621.7): 1977 and AMD 3003:1977. B S I.
Chicago Edition CitationB S I. UDC 621.7 Plastic or Chipless Working Forming and Treatment of Materials BS 1000 (621.7): 1977 and AMD 3003:1977. London: B S I, 1977.
Cita MLAB S I. UDC 621.7 Plastic or Chipless Working Forming and Treatment of Materials BS 1000 (621.7): 1977 and AMD 3003:1977. B S I, 1977.
Atenció: Aquestes cites poden no estar 100% correctes.