(1930). U.S. global competitiveness: Optical fibers, technology and quipment. Washington: United States Trade Commission.
Chicago Style CitationU.S. Global Competitiveness: Optical Fibers, Technology and Quipment. Washington: United States Trade Commission, 1930.
Cita MLAU.S. Global Competitiveness: Optical Fibers, Technology and Quipment. Washington: United States Trade Commission, 1930.
Atenció: Aquestes cites poden no estar 100% correctes.