Gaya APA
Helfert, Erich A.. (1977).
Tehniques of financial analysis, 4th ed. (4th ed.).
New York:
Irwin.
Gaya Chicago
Helfert, Erich A..
Tehniques of financial analysis, 4th ed..
4th ed.
New York:
Irwin,
1977.
Text.
Gaya MLA
Helfert, Erich A..
Tehniques of financial analysis, 4th ed..
4th ed.
New York:
Irwin,
1977.
Text.
Gaya Turabian
Helfert, Erich A..
Tehniques of financial analysis, 4th ed..
4th ed.
New York:
Irwin,
1977.
Print.