U.S. department of commerce. (1921). Survey of current business. U.S. department of commerce.
Chicago Edition CitationU.S. department of commerce. Survey of Current Business. Washington D.C: U.S. department of commerce, 1921.
Cita MLAU.S. department of commerce. Survey of Current Business. U.S. department of commerce, 1921.
Atenció: Aquestes cites poden no estar 100% correctes.