Babson, R. W. (1933). Fighting business depressions: How to overcome operating losses in your business. Harper & Brothers.
Cita Chicago (17th ed.)Babson, Roger W. Fighting Business Depressions: How to Overcome Operating Losses in Your Business. New York: Harper & Brothers, 1933.
Cita MLA (9th ed.)Babson, Roger W. Fighting Business Depressions: How to Overcome Operating Losses in Your Business. Harper & Brothers, 1933.
Atenció: Aquestes cites poden no estar 100% correctes.