Helefert, E. A. (2013). Techniques of financial analysis. Jaico Publishing House.
Chicago-čujuhus (17. p.)Helefert, Erich A. Techniques of Financial Analysis. Mumbai: Jaico Publishing House, 2013.
MLA-čujuhus (9. p.)Helefert, Erich A. Techniques of Financial Analysis. Jaico Publishing House, 2013.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.