Hardy, C. C. (1978). The investor's guide to technical analysis. McGraw-Hill.
Cita Chicago (17th ed.)Hardy, C. Colburn. The Investor's Guide to Technical Analysis. New York: McGraw-Hill, 1978.
Cita MLA (9th ed.)Hardy, C. Colburn. The Investor's Guide to Technical Analysis. McGraw-Hill, 1978.
Atenció: Aquestes cites poden no estar 100% correctes.