Gaya APA
Helfert, Erich A.. (1982).
Techniques of financial analysis (5th ed.).
Homewood, Illinois:
Richard D. Irwin.
Gaya Chicago
Helfert, Erich A..
Techniques of financial analysis.
5th ed.
Homewood, Illinois:
Richard D. Irwin,
1982.
Text.
Gaya MLA
Helfert, Erich A..
Techniques of financial analysis.
5th ed.
Homewood, Illinois:
Richard D. Irwin,
1982.
Text.
Gaya Turabian
Helfert, Erich A..
Techniques of financial analysis.
5th ed.
Homewood, Illinois:
Richard D. Irwin,
1982.
Print.