Παραπομπή APA

Hardy, C. C. (1978). Investor's guide to technical analysis. Mc graw hill book company.

Παραπομπή Chicago Style

Hardy, C. Colburn. Investor's Guide to Technical Analysis. New york: Mc graw hill book company, 1978.

Παραπομπή MLA

Hardy, C. Colburn. Investor's Guide to Technical Analysis. Mc graw hill book company, 1978.